Nurse!

She's one of the most decorated Olympic athletes in United States history .. but Amy Van Dyken says the biggest accomplishment of her life is STANDING again ... after severing her spinal cord last year.

Her story is incredible -- Van Dyken was seriously injured in a brutal ATV wreck back in 2014 ... but she's been fighting like hell to regain full use of her legs -- and this week, made some serious progress.

In fact, Amy appeared on "TMZ Hollywood Sports" on Wednesday and told us that battling back to stand on her own was "absolutely" the biggest accomplishment of her life ... even greater than winning her 6 gold medals.

You gotta watch the video -- Amy says she's laser focused on walking on her own one day ... and given the progress she's made so far, you'd have to be crazy to doubt her.

Presidential candidate Dr. Ben Carson does not lack wisdom, but incisors are a different story.

The Republican hopeful -- who made a name for himself in 1987 as the first neurosurgeon to separate twins conjoined at the head -- was stumping at Tommy's Country Ham House in Greenville, South Carolina where he chowed down on scrambled eggs, grits and ham biscuits when he noticed a bonus on his plate ... his front tooth had fallen out.

The good doc stared into his plate, thought for a second then discretely placed the errant chomper into his shirt pocket.

Carson then stood up and delivered an impassioned speech ... with a hint of whistle.

Olympic swimmer Amy Van Dyken just reached another milestone on her miraculous road to recovery -- she's now able to stand and support her own weight.

Van Dyken posted a video of her latest accomplishment and said, "I'm starting to get this standing thing down! #amysarmy #werk #IllBeWalkingSoon #GettingFittedForBracesNextWeek"

Van Dyken -- who won four Olympic gold medals in 1996 and two more in 2000 -- severed her spine in an ATV crash in June 2014. Since then she has posted video of her progress ... taking her first steps with the help of an exoskeleton ... and a few months later, pedaling a bike on her own.

Miles Teller did not rescue a pregnant woman caught in a Miami riptide -- it was the pregnant woman who gave Miles a heads up ... jaws was lurking in the water.

Model Keleigh Sperry, who was spending a fun-filled day in the sun with the "Whiplash" star, says the pregnant woman came up to them "freaking out" that a shark was in the water. And the woman had a toddler on her back to boot.

Nonetheless, you can see from the pic Miles helped the very pregnant lady out of the water and harm's way.

He's awesome, and the shark didn't bite anyone.

Forget superpowers, Miles Teller's hero game is on fleek ... this weekend the "Fantastic Four" star and his GF swooped in and rescued a pregnant woman caught in a potentially deadly riptide in Miami.

It's pretty amazing ... Teller and GF Keleigh Sperry's romantic beach day was interrupted when an extremely pregnant woman began screaming for help just offshore ... without hesitation the two darted into action and tag-teamed a rescue effort that saved the woman's life.

Once on shore, the two made double sure the woman was alright and then parted ways.

Looks like playing Reed Richards definitely rubbed off on him ... as for the romantic beach day, if saving lives doesn't get you in the mood ... nothin' will.

#lifesavers

Pat Houston is now sharing the controls with Bobby Brown on what to do with Bobbi Kristina ... and it appears a rift may be brewing, because a Houston family member strongly indicates she does not want to use heroic measure to save Bobbi.

As TMZ reported ... a judge made Bobby and Pat co-guardians a few days ago, which gives them joint responsibility for Bobbi Kristina's care. As we first reported, Bobbi Kristina is suffering from irreversible brain damage and the prospects of getting better are slim to none, barring a miracle.

Pat says she and Bobby are working as a family to make the right decisions, but there seems to be a clear division. Cissy told "Entertainment Tonight," "She's not gone yet, but you know, whatever the Lord decides, I'm ready for her ... I have nothing to do with that. That's His job."

Bobby, on the other hand, has made it clear he will do whatever it takes to keep his daughter alive, including using heroic measures if she begins to slip away. Some member of the Houston family have strongly indicated they are not inclined to use such measures.

If Bobbi Kristina's condition begins to deteriorate and if Pat and Bobby can't reach an agreement, it will probably be left in the hands of a judge to decide the fate of Whitney Houston's daughter.

The 2 families have been largely at odds since Bobbi Kristina entered the hospital.

A little boy was hurt when he was manhandled by Pluto at Disneyland ... and his mom says theme park officials tried to keep the incident on the QT.

It happened Thursday in Toontown, when 8-year-old Ethan walked up to Pluto to give him a hug. The Plutonic cast member obliged, but when you watch the video in slow mo it appears he hyperextends Ethan's back. The boy begins to cry almost immediately, saying he's in pain.

Ethan and his mom Laurie were told to go to the first aid station, but they didn't want to walk the distance because Ethan was hurting. A nurse came over, examined Ethan and told Laurie he was fine.

Ethan said he felt sick and wanted to go home, so Laurie asked for a wheelchair so her son didn't have to walk to the car. Laurie says the employees refused her request and said she could take Ethan in a stroller. Laurie believes the park didn't want to highlight the injury with a wheelchair.

The boy tried but couldn't tolerate the stroller -- so Laurie demanded medical attention and paramedics took Ethan to the hospital for x-rays. Doctors believe Ethan has severe muscle strain.

Laurie tells us, a Disney rep showed up at the hospital, apologized for the way things were handled, offered to pay the hospital bill, and brought them El Pollo Loco for dinner.

Laurie says she was also told Pluto was disciplined for roughing up Ethan.

Whitney Houston's family and Bobby Brown will now be forced to work together -- Bobby and Pat Houston have been appointed co-guardians of Bobbi Kristina.

The court ruling means Whitney's sister-in-law and Bobby will now share responsibility for 22-year-old Bobbi Kristina's medical care. Bobby filed a petition last month to become her legal guardian.

The court also appointed an attorney -- Bedelia Hargrove -- as conservator, and she will control all financial and legal matters for Bobbi Kristina ... who is now breathing on her own. Whitney's family points out she's suffered "global and irreversible brain damage."

We got video of Pat and Cissy Houston leaving the DeKalb Co. courthouse after Thursday's hearing, and Pat told us, "It was a good day."

Manny Pacquiao says his shoulder surgery was a rousing success -- and just posted his first post-op selfie to prove it.

Pacman went under the knife in L.A. Wednesday night to repair a torn rotator cuff in his right shoulder -- an injury that he didn't properly disclose to officials before the big Mayweather fight.

Of course, Manny thanked God for the procedure ... and his wife ... and his world famous doctor ... saying, "Thank you to my Dr. Neal Ellatrache and his group for taking care of me. God is great!"

One thing we noticed in the pic ... not a single mark on his face.

Shaq might be on the 15-day DL after taking a (hilarious) spill on the set of "Inside the NBA" last night ... that's according to co-host Kenny Smith who says the big man's big fall has left him a little gimpy.

Kenny was at LAX this morning when we HAD to ask him about everything regarding the tumble heard 'round the galaxy ... most notably how the Diesel is moving following the gravitational smackdown.

Bad news for Shaq ... seems he was a little banged up after all.

Get well Diesel.

Robert Durst pulled "The Jinx" on a drugstore -- by pissing all over the checkout counter.

The notorious billionaire/accused murderer was arrested last summer in Houston for urinating in a CVS ... and the video was just made public.

In the clip, Durst walks up to the counter to pay, and then suddenly drops trou and starts peeing on the candy rack. Durst's lawyer explained the incident to KPRC, saying, "This was a medical mishap, plain and simple. He had to go and he couldn't hold it."

Chris Brown's birthday celebration on the Vegas strip had bottles poppin', hot chicks dancing, and ... absolutely adorable little baby videos.

Yeah, Chris' 26th bday party at Drai's was way different from his others, because this one featured home vids of Royalty on a big screen -- and you've gotta see the look on Chris' face ... daddy's totally fallen for his baby girl.

The video is pretty wild for a few reasons -- Chris hands out Ace of Spades bottles to fans in the crowd ... Chris shows off his badass dance moves ... AND Chris spins and goes flying off the stage!

Breezy also got the champ to come out -- Floyd Mayweather Jr. showed up flashing a tiny bit of the more than $200 mil he earned at the office last weekend.

Tooth fairy better pay EXTRA for this one ...

Here's video of retired U.S. Olympic athlete Bryan Clay -- who took gold in the decathlon in 2008 -- helping his daughter Ellie remove a loose tooth ... by tying it to a javelin!!!!

The footage is crazy ... Clay launches the javelin .. tooth goes flying out of Ellie's mouth ... then, blood.

Former NFL wide receiver Titus Young is getting one year of probation for each person he attacked during a 2 month rampage at a mental health facility.

Young was sentenced Tuesday in L.A. for 5 batteries he committed last year at Augustus Hawkins Mental Health Facility. We broke the story ... Young attacked his attorney, along with four other patients.

In addition to the 5 years of probation ... Titus must remain at a mental health facility -- not Augustus Hawkins -- for the next year. He was given credit for 99 days served.

4:55 PM PT -- Pissed off fans are coming out of the woodwork now -- a

in Los Angeles ... TMZ Sports has learned.

It's pretty much the same as the Nevada suit, but the plaintiffs in L.A. have included Mike Tyson as exhibit A the fight was crap. They point out Iron Mike called it "the Dud of the Century."

They're also looking for at least $5 million.

Manny Pacquiao and his fight promoters have been hit with a class action lawsuit by people who claim he screwed fans, Pay-per-view buyers and gamblers out of serious money by not disclosing his shoulder injury before the Mayweather fight.

TMZ Sports has obtained the lawsuit filed in federal court in Nevada ... in which Stephane Vanel and Kami Rahbaran are suing on behalf of a class that feel cheated.

In the suit, Vanel and Rahbaran claim they are fighting "on behalf of all persons who purchased tickets; purchased the pay-per-view event; or who wagered money on the event."

The plaintiffs are suing Pacquiao, Bob Arum, Top Rank Boxing and others for consumer fraud -- and they're demanding at least $5 MILLION in damages.

Former "SNL" star Chris Kattan had airline personnel on edge at the airport in Phoenix -- and his jittery behavior got so bad, cops had to remove him ... but turns out, Chris just needed a nap.

Phoenix PD says officers were dispatched to the Southwest terminal on Sunday evening to remove a passenger who'd been barred from boarding his flight. Sources say Kattan was mumbling and nervously walking around the gate until 5 responding officers arrived to escort him out of Sky Harbor Airport.

Cops say Kattan told them he had popped an Ambien earlier in the day, and it was still in his system.

Kattan tells TMZ he was up very late Saturday night for a wrap party, and on his way home to L.A. he missed a connecting flight in Phoenix. He says he was just looking for a spot to crash in the terminal when cops arrived.

Cops took Kattan to a nearby hotel to catch some z's before he caught a later flight. He's grateful the officers were kind ... and cops agree Kattan was cooperative.

Chris had more serious Ambien troubles last year -- he was sentenced to 3 years probation for slamming his Mercedes into a parked vehicle while under the influence of the sleep aid.