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Kendall Jenner's perfect life hit a speed bump -- in the form of a zit.

KJ's slight imperfection was on display Friday at LAX ... proving she's just like every other 18-year-old.

And then she most likely hopped in her luxury SUV and drove to her mansion to nap on a bed of money.

While some women might call it a career after landing George Clooney, Amal Alamuddin was spotted on Wednesday heading back to her law firm in London after spending the last few weeks celebrating their engagement.

The lawyers in the firm will clearly be eager for some gossip ... they blew the lid off the engagement by sending out a press release. So now they have her in living color.

The transformation is complete -- Mickey Rourke went full-blown yenta Tuesday in L.A., wearing his hair up in a retro bandana stolen from a 1950s housewife, a ratty green top, green shorts, and pink running shoes.

Justin Bieber had his young guns blazing ... losing his shirt for a horseback ride/homage to Russia's most famous topless equestrian.

Bieber traded his skateboard for a proper steed at a ranch just outside L.A. yesterday.

While Justin's cowboy hat was more Sinatra than Rogers -- his shirtless pose was totally reminiscent of Vladimir Putin's pose.

Don't worry ... we've got plenty of video of JB's ride with his posse (yeah, Lil Za rode too) for your viewing pleasure.

George Clooney and Amal Alamuddin celebrated their engagement in Malibu this weekend with a few close friends ... like Cindy Crawford, Rande Gerber, and a little guy known as Bono.

Just because it was Mother's Day, that doesn't mean Justin Bieber's mom got ALL his attention at Sunday's Los Angeles Clippers game -- he still found time to catch a glimpse of the hottie a few seats over.

Bieber snuck a peak while his mom was turned around, but you have to wonder if Biebs noticed the GIANT rock she was sporting on her ring finger.

Baby, baby, baby ... OH!!!

Turns out the woman in the photo is Scooter Braun's fiancée -- and Scooter is sitting on the other side of her. So ... definitely not cool, Justin. Not cool.

Kim Kardashian put on a white dress this afternoon in Beverly Hills, but it wasn't to marry Kanye West ... it was just for her bridal shower.

As TMZ first reported, the only thing holding up the Kimye wedding now is the prenup. According to our sources, the pair should sign on the dotted line this week, opening the door for the wedding ... which we're told would take place around Memorial Day.

Plan your schedules accordingly. Not that any of us are invited ...

Cristiano Ronaldo enjoyed watching the Rafael Nadal/Jarkko Nieminen match with his son at the Madrid Open in Spain on Thursday ... while the crowd seemed more interested in watching him than the game.

Miley Cyrus recovers like no other -- after nine days in a hospital bed she hit the London club scene with the perfect night nurse ... legendary party girl Kate Moss.

Miley sported her best bra and leggings as she strolled into her hotel -- around 3:30 AM, according to paps -- after a night out at Madame Jojo's nightclub in SoHo.

You might recall ... even if she doesn't ... Miley had an extended hospitalized stay last month after what her peeps said was an allergic reaction to antibiotics.

She canceled several tour dates as a result.

Bethenny Frankel and estranged hubby Jason Hoppy buried the hatchet -- temporarily -- to celebrate their daughter Bryn's birthday.

They were strolling the street in NYC, looking happy, but snapshots can be deceiving.

As TMZ first reported, Frankel filed for divorce in January 2013, but they have been in a mega- fight over money and custody issues ever since. Just last month, Bethenny was ordered to fork over $100k to Hoppy's attorneys ... and still there is no deal done.

"Baywatch" actress Brooke Burns MANGLED her BMW Thursday near Universal Studios ... thankfully, there was a guy in his PJs to give her a shoulder to cry on.

Witnesses tell TMZ ... Brooke was driving in North Hollywood when she slammed into the passenger side of a Toyota Matrix.

Police and fire units rushed to the scene ... but no one was taken to the hospital. Both cars were undriveable and a tow truck had to be called.

Brooke is built better than most to withstand injury ... she has a titanium rod and screws in her neck ... from a swimming pool accident in 2005 in which she broke her neck.

No word on the identity of the pajama man ... or why he was rockin' flannels in the middle of the day.

#jealous

Connor Cruise hit the beach on the Mexican Riviera ... and was almost unrecognizable with dreadlocks and a chinstrap.

Tom's son is 19 now ... and looking much different from the kid we used to see around NYC and L.A.

Connor was down in Mexico for the grand opening of a Hard Rock Hotel and Casino -- and of course Cinco de Mayo.

CC's been blowing up as a DJ -- we shot him about a year ago after a gig in L.A. ... and the difference is amazing.

Naya Rivera made men around the country gleeful when she was spotted out in Cabo this weekend wearing an incredibly tiny bikini.

No matter what happens with "Glee," it's clear Naya has the body of work to go far.

Did someone order a redheaded Prince?

Newly single and ready to mingle, Prince Harry hit up the pool at the Soho House in Miami Thursday while in town for a friend's bachelor party. Harry reportedly just broke up with Cressida Bonas after nearly two years together.

Harry and his friends partied at LIV nightclub at the Fontainebleau Hotel Wednesday night ... after dinner at Hakkasan. We're told Harry was rolling with about 13 guys at the club (not including security) and partied till about 2:30 AM.

Cara Delevingne and Sienna Miller walked hand-in-hand Tuesday night out of Loulou's club in Mayfair, London ... after partying with Naomi Campbell and Suki Waterhouse at Kate Moss' Topshop collection afterparty.

Delevingne and Michelle Rodriguez are dating (or whatever you call this) -- but Sienna has a history of playing the role of homewrecker ... so M-Rod might want to nip this thing in the bud, just in case.