Jessica Alba Smiles -- Gets Out of a Ticket

Jessica Alba doesn't smile for just anyone -- but this morning the actress brushed the dust off her pearly whites during a traffic stop in L.A. ... and was not-so-shockingly let go with just a warning.

Law enforcement sources tell TMZ Alba was pulled over for speeding this AM in Beverly Hills -- and during the stop, we're told Alba blamed her lead foot on the nearby paparazzi.

We're told Alba -- who was extremely cooperative and smiley during the stop -- was eventually let go with only a warning ... but was told that pap-avoiding is no reason to break the law.

Sandra and Jesse James?? -- It Ain't What It Looks Like

There's a photo making the rounds this morning featuring Jesse James hanging out with a woman said to be Sandra Bullock on Monday ... but TMZ has learned, it definitely ain't Sandy.

The photo in question shows Jesse walking into West Coast Choppers with a mystery brunette lady ... but the photo only shows the couple from behind -- meaning NO FACES.

But sources at WCC tell TMZ that Sandra has not been around the shop for a long while ... and she definitely wasn't there on Monday.

So who's the mystery woman??? Sources at WCC tell us she's Hildie Katibah (pictured above) ... the head of Pay Up Sucker Productions ... which is affiliated with Jesse's bike business.

So, sorry to all those people rooting for a reunion, but it hasn't happened ... yet.

Bar Refaeli -- The Smoldering Bikini Yacht Party

Bar Refaeli stripped down to her ridiculous pink bikini this weekend -- to romp around the deck of a super-expensive yacht off the coast of Costa Smeralda ... but she wasn't the only supermodel on board.

Fresh from testifying at a war crimes trial -- alleged blood diamond recipient Naomi Campbell and her boyfriend Russian businessman Vladislav Doronin were also on the yacht ... along with Bar's main squeeze Leonardo DiCaprio.

Fun fact: Leo starred in the 2006 film "Blood Diamonds."

The Playboy Twins -- When Sisters Suck Face ...

Playboy Playmates and biological twin sisters Karissa and Kristina Shannon, 20, got a lot closer at the Playboy mansion this weekend ... and shared a tender open-mouth kiss with each other.

It's OK to love your sister ... but is it really OK to LOOOOOOOOVE your sister?

Audrina Patridge -- Bikini Bikini in Bora Bora

Sporting matching hairless chests, former "Hills" star Audrina Patridge and her sometimes boyfriend Justin Bobby Corey Bohan turned up the heat while on vacation in Bora Bora this weekend.

Smooth.

Sinead O'Connor -- Third Marriage Is the Charm

Looking like the owners of an herbal shop in Berkeley, California, former lesbian Sinead O'Connor and her new third husband Steve Cooney were spotted in Dublin this weekend.

While the 43-year-old mother of four wore a crucifix, she did not tear up a pic of the Pope this time.

Mark Wahlberg's Son -- Kickin' It With Dad

With reports that his kid was recently attacked by a giant captive octopus at a San Diego aquarium, Mark Wahlberg picked up his adorable four-year-old son Michael from a karate class in Brentwood this weekend.

You never know when you are going to need to defend yourself against mollusks.

Mark just talked about the aquatic assault on Letterman -- click here to check out the clip.

Simon Cowell -- Just a Little Off the Sides

Former "American Idol" judge Simon Cowell is really smooth ... on the sides of his stomach.

The buxom 50-year-old showed off his interestingly manscaped torso in the south of France this weekend.

Very trim.

Charlie Sheen Porn, Pajamas & Playmates

After scoring a sweet plea deal in his assault case, Charlie Sheen did what any other embattled high-paid TV actor in the middle of a rocky marriage would do ... he threw on silk pajamas and partied at the Playboy mansion with porn king Ron Jeremy and some blondes this weekend.

No word if Sheen was asked to show ID on the way in.

Laurence Fishburne -- The Cry for Attention

For the first time since his daughter released a sex tape, Laurence Fishburne was seen out in L.A. this weekend ... wearing a shirt that reminded everyone who really deserves the attention in his family.

Fishburne -- who had just performed in a stage production of "Thurgood" -- was leaving the theater hand-in-hand with his wife Gina Torres.

As we previously reported, Laurence has not spoken with his daughter Montana since she announced her move to do porn ... despite support from her mother Hajna Moss-Fishburne.

Britney Spears -- Comical Date Night

A demure looking Britney Spears enjoyed a classy night on the town last night with boyfriend Jason Trawick, taking in a play in downtown Los Angeles.

Brit and Jason saw the comedy "The Lieutenant Of Inishmore" which stars Chris Pine and centers around a dead black cat. Hilarity ensues.

'Glee' Star Lea Michele -- Oh Baby Baby!

Lea Michele was spotted on the set of "Glee" yesterday wearing a Britney Spears "...Baby One More Time" inspired outfit.

"Glee" producers have announced a Britney themed episode for next season. Let's hope none of the characters shave their head.

Michelle McGee Is Less Famous Than ...

"Bombshell" McGee was denied from Hollywood hot spot Voyeur on Thursday night -- and you won't believe the celebs that actually did get in over her.

Sources on the scene tell TMZ the bouncers "didn't even know who she was" and they "were not feeling" her tatted up look.

As for who did make the cut -- Lamar Odom, David Arquette, Dane Cook, Aaron Paul, Rob Kardashian, Sara Paxton and Jamie Kennedy.

That's what we call a reality check.

Gabourey Sidibe's Mom Trains for Fame

Despite being on "America's Got Talent" and the mother of "Precious" star Gabourey Sidibe, Alice Tan Ridley still likes performing in the underground scene ... at a NYC subway station on Thursday.

Her performance was fare.

Mel Gibson's Alleged Mistress -- Fit for Fame

Mel Gibson's alleged mistress Violet Kowal was somehow photographed working out in L.A.'s Runyon Canyon on Thursday.

FYI -- Mel has denied having an affair with Violet ... who also happens to be a Polish fitness model.

Joseph Gordon-Levitt Armed & Dangerous

After getting into an on-set bicycle accident which left him with 31 stitches this weekend, "Inception" star Joseph Gordon-Levitt showed off his bandaged arm in NYC on Wednesday.

The 29-year-old knows you gotta wrap it up.