In the 1981 film, "Raiders of the Lost Ark," Karen Allen helped Harrison Ford search for the Ark of the Covenant. Guess what she looks like now!

Some of the biggest names in Hollywood weren't born with them -- We've picked 20 actors who have changed their names. Can you guess their identities?

President Obama's personal credit rating seems to be doing just fine -- because the Commander-In-Chief slapped down some plastic to cover the bill at a burger lunch yesterday ... and tipped more than 35%.

Obama hit up Ted's Bulletin restaurant in D.C. yesterday where he surprised a group of campaign volunteers who had won an essay contest.

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Sources connected to the restaurant tell TMZ ... the President ordered a plain cheeseburger, fries, and side salad ... and an ice cold glass of water to wash it down.

We're told Obama asked for the bill personally -- and picked up the tab for the entire group on his credit card. In total, with tip, Obama dropped over $200.

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One person who was inside the restaurant tells us, "He couldn't have been nicer."

The "surprise" wasn't as impromptu as it seemed ... we're told secret service swept through the restaurant with a K9 unit earlier that day -- and the restaurant was closed to the public.

Hilary Duff, Jenny McCarthy, Padma Lakshmi and Christie Brinkley are working up a sweat -- and it's for a good cause!

The four gorgeous gals are seen showing off their own personal daily fitness routines in brand new Danskin campaign photos. Duff hikes, Jenny does yoga, Padma boxes and Christie dances while rehearsing for "Chicago."

Check out the behind-the-scenes shots from the campaign above!

"Pawn Stars" badass Chumlee tells TMZ, he has ALWAYS wanted to see a samurai versus a tiger in a fight to the death -- so he did what any person would do in that situation ... he paid a tattoo artist to ink the violent scene on his leg.

According to Chum, he's already sat through three lengthy sessions at Show Room Tattoo in Vegas -- and he's still got about ten more hours of inkwork to go.

It should be completed soon -- but Chum's not looking forward to more needle-to-skin contact ... telling us, "To those who say it doesn't hurt to get tattoos, stop lying! Every time I go it hurts worse!!"

Some of Hollywood's hottest bodies always make it to the beach in a one-piece, while others like to let it all hang out and go two-pieces.

Vote on your favorite bathing beauty to find out if less really is more.

Believe it or not, Kurt Cobain and Courtney Love's daughter turns 19 next week -- and in a new photo shoot, Frances Bean Cobain is looking more gorgeous and adult than ever.

Designer/photographer Hedi Slimane recently posted a series of black and white photographs of Frances on his website, showing her in all her heavily tattooed, semi-goth and 100% stunning glory.

These clever photos are disguising some differences for you to find -- are you up for the challenge?