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Mike Tyson says he wouldn't have had to worry about being put on blast on Twitter back in his heyday -- because when it came to girls, "They told anyway, so it was just like Twitter."

Tyson was at LAX with his wife Lakiha when we asked if social media makes it harder for celebrities and pro athletes to keep their private lives private ... and Mike told us, for him it wouldn't have mattered.

Check out the clip ... Tyson also responds to boxer James Toney -- who recently said he'd beat Iron Mike's ass if they get into the ring in a widely rumored comeback fight.

"I'm 50-years-old," Tyson said ... "anybody can beat me now!"

If that damn blue & black OR white & gold dress debate didn't destroy all your friendships -- try this one out ... #TheShoe.

Just like that freakin' #TheDress -- there are 2 options: Pink or purple? The person who posted this included an answer key, sorta -- the nail polish colors.

Does the shoe match the the color on the left ... or the one on the right?

Supposedly the answer is ... left! Now, is that pink or purple? Commence tearing each other apart.

Safaree Samuels found the perfect way to get over Nicki Minaj … super hot model, Zashia Santiago.

Nicki’s ex couldn't keep his hands off Zashia when he posed for a pic with his new buxom babe -- kinda easy to see why.

Safaree and Nicki have been warring with each other ever since their breakup. They've each recorded break up songs, but with Zashia in the picture ... we're thinking he'll be singing a much different tune.

Maybe it's just us, but Zashia looks like a Nicole Murphy-Amber Rose mashup -- and that's a good thing.

Terrence Howard’s character on Empire owes everything to Kelly Rowland … cause she’s going to play his mother on the show for season 2.

Kelly is set to make an appearance on the upcoming season in the form of a flashback as Lucious Lyon’s mother.

The 34-year-old singer recently popped up in a post from the official Empire writers Twitter account hanging with the screenwriters.

She’s joining a long list of guest stars jumping on the show – Chris Rock, Lenny Kravitz, Alicia Keys and Marisa Tomei.

The new season starts September 23rd.

Iggy Azalea has an excuse for everything ... and this time she's throwing stones at Britney Spears.

The song "Pretty Girls" bombed hard, despite a highly publicized music video. Iggy now says it's because Britney didn't get off her ass and promote it. Here's how she put it: "Its difficult to send a song up the charts without additional promo and tv performances etc. unfortunately im just featured."

Then Iggy goes in for the kill, saying, "My comment is factual, it applies to any song. I dont have to suck the womans a**hole 24/7 to be her friend, do i? bye girls."

Here's the thing. Iggy never says what Britney was required to do. She also has to know ... doing promotional interviews isn't exactly Britney's strong suit ... as in she's a deer in headlights.

And the song got more promotion than most.

Jimmy Fallon and his single working hand are looking for a little sympathy -- he just gave us a first look at the injury, and an explanation for what happened early Friday morning.

Jimmy's left hand is heavily bandaged and elevated in the pic he posted from his hospital bed. He says his ring got caught on the edge of a table when he tripped and fell at home -- and he damn near ripped a finger clean off his hand.

At least the 'Tonight Show' host can still count on his right hand for important things.

Lance Armstrong has a brand new riding partner ... NFL legend Brett Favre.

The two connected at Lance's bike shop Mellow Johnny's in Austin, Texas Monday ... and decided to go out on a ride together.

We spoke with someone at the shop who tells us the two came into the shop together this morning -- Brett had some service done to his bike ... and then the two hit the road.

Caitlyn Jenner celebrated her "truth" by hanging with her girls ... and paying her respects to transgender pioneers.

CJ posted a pic from behind herself and 5 anonymous GFs looking out at the Malibu hills ... from what appears to be her backyard. Guess they weren't into the Belmont Stakes.

She included the caption, "Learn from those who have walked the path before you. #TransIsBeautiful."

As we've reported ... Caitlyn's docu-series will focus on her relationships with girlfriends.

President Obama has weighed in on Caitlyn Jenner's new journey, by heaping praise on her.

The Prez just tweeted, "It takes courage to share your story," adding, "Your story matters in the fight for LGBT rights."

Charlie Sheen has a message for MLB superstar (and recovering substance abuser) Josh Hamilton -- "F**k AA" ... have a drink and go hit some bombs."

Sheen is FURIOUS at the Los Angeles Angels for the way they treated the embattled slugger -- claiming they did him dirty by trading him to the Rangers after admitting drug use.

Now, Sheen isn't just blasting the team -- but the whole concept of Alcoholics Anonymous altogether ... with a scathing new message on Twitter.

"Dear Josh Hamilton, How you are being treated by the 'Devils' is shameful. F*ck AA. Have a drink and go hit some bombs!"

We're gonna guess AA is going to respectfully disagree with Mr. Sheen's position. We're calling 'em for comment -- stay tuned.

12:00 PM PST -- AA says it does not comment on statements made by individuals ... and will not respond to Sheen.

While the rest of Hollywood was praising Bruce Jenner as a "hero" and "brave" for talking openly about his sexual identity, Kim Kardashian's ex-husband Kris Humphries took what appears to be a direct shot at Bruce and the family.

Right in the middle of the west coast airing of Bruce's interview with Diane Sawyer ... as Bruce was discussing how his decision to go public has impacted his family ... Kris went to Twitter and wrote:

"Man, I'm glad I got out when I did. #Gottadoyou."

Someone posing as Safaree Samuels is tweeting out extremely NSFW pics of his ex, Nicki Minaj ... but the rapper is adamant ... he's got nothing to do with it.

A rep for Safaree tells TMZ ... he'd never do anything like this, and he's doing everything he can to shut down the tweeter behind it. The photos -- some in highly sexual situations -- started going out on Wednesday ... from a Twitter handle extremely similar to Safaree's.

Just so fans know ... the real @IAMSAFAREE has around 143k followers -- while the faker posting the pics has just over 3400.

As for whether the pics -- especially the graphic ones -- are legit? Safaree's rep says he doesn't know. We're told Safaree's moved on after the difficult break up with Nicki, and now just says ... it is what it is.

Chrissy Teigen got into it with a racist heckler on the street -- and then gave the guy a verbal smackdown ... with the best comeback.

Chrissy says she was walking in West Hollywood this morning when she dropped her sunglasses -- and some guy shouted out a racist slur for Asians, saying ... "f**king ch**ks always dropping s**t."

She says she acknowledged the comment and the jackass responded with more racism ... or attempted racism, anyway.

Gotta love Chrissy's response though. She tweeted, "like that's not even a stereotype. get your shit together. What a bad racist."

Ex-heavyweight champion Riddick Bowe says his bank account hasn't been knocked out ... telling TMZ Sports his $20-a-tweet-stunt was just a little fun with his nearly half-a-million followers.

Bowe set his Twitter on fire yesterday when he announced to his 451k followers that he'd tweet anything they wanted him to ... if they dropped $20 in his PayPal account.

After Bowe's announcement, his @RiddickBowe account became a series of insanely hilarious nonsense ... and people began to wonder if the champ -- who filed for bankruptcy in 2005 -- had fallen on even harder times.

We spoke to Bowe's reps ... and they tell us that the stunt had nothing to with his finances ... he was just giving his Twitter fans what they wanted.

“He was just trying to help out his fans, they ask me to tweet things and it kinda got spurred out of control.”

The Big Sean/Justin Bieber feud is over before it even started ... or more accurately ... it never existed in the first place.

A rep for Big Sean tells TMZ the tweet going around in which Sean threatened Bieber for laying hands on Ariana Grande during a concert ... is a fake.

We're told Justin and Sean are good friends ... and that he and Ariana are just fine.

Another tweet of Sean's -- "so many times in my life I wish I could of been at 2 places at once" -- also sounded like it was about Bieber ... but we're told it had nothing to do with JB, and Sean just misses friends and family while on the road.

Taylor Swift's mother is fighting cancer ... but she's only sharing the news with her millions of fans because her mother asked her to do it.

Taylor tweeted an emotional letter to her nearly 56 million followers on Thursday morning -- announcing, "I’m saddened to tell you that my mom has been diagnosed with cancer. I’d like to keep the details of her condition and treatment plans private, but she wanted you to know."

She goes on to say her mom, Andrea Finlay, was diagnosed after Taylor begged her to get a checkup. Taylor says, "She wanted you to know because your parents may be too busy juggling everything they’ve got going on to go to the doctor, and maybe you reminding them to go get checked for cancer could possibly lead to an early diagnosis and an easier battle."

She doesn't specify what kind of cancer it is ... or what the prognosis is for her mother, who is 57.

Swifties obviously feel close to Taylor's family -- she says her mom also wanted fans to know because she knew they'd wonder why she wasn't at as many concerts.

Taylor added, "She's got an important battle to fight."