1 of 19 John Shearer/WireImage.com
Actress Alyson Hannigan arrives to the spring premiere of "How I Met Your Mother" at Palihouse Holloway on March 13, 2008 in West Hollywood, California. "How I Met Your Mother" and Jameson celebrate St. Patricks Day Palihouse Holoway West Hollywood, CA
2 of 19 Lester Cohen/WireImage.com
Actor Courtney B. Vance and Actress Angela Bassett attend the Lionsgate Premiere of Tyler Perry's Meet the Browns at The Cinerama Dome on March 13, 2008 in Hollywood, California. Lionsgate Premiere of Tyler Perry's Meet the Browns The Cinerama Dome Los
3 of 19 Mark Sullivan/WireImage.com
Actress Vanessa Williams and Sasha Gabriella Fox arrive at the premiere of "Meet The Browns" held on March 13, 2008 in Hollywood, California.
Lionsgate presents the "Meet The Browns" Premiere - Arrivals
The Cinerama Dome
Los Angeles, CA United States
4 of 19 Lalo Yasky/WireImage.com
Penelope Cruz and sib Monica Cruz are testing their style skills with a new summer-clothing line, "Penelope Monica Cruz for MNG" for summer 2008. The pair put on a stellar sister act at the launch party for their collection in Madrid on Thursday.
5 of 19 Eric Charbonneau/WireImage.com
Jim Sturgess and Kate Bosworth put aside braininess for glamour at the premiere of their new movie, 21. In the film, the two play MIT students who take the casinos for millions. But on the red carpet, they were just looking like millions.
6 of 19 Jean Baptiste Lacroix/WireImage.com
It's been little over a week since Christian Siriano won this season's Project Runway, and already he's striking poses like a pro. At a dinner in his honor on Wednesday, the style maven pulls his best Paris Hilton between some guests.
7 of 19 Denise Truscello/WireImage.com
Laurence Fishburne and his wife, actress Gina Torres, attend the 21 premiere on Wednesday. In the film, Fishburne plays a zealous security consultant who's determined to track down a posse of pesky MIT students who outsmart the casinos.
8 of 19 Brian Ach/WireImage.com
Rosie O'Donnell seems to be giving lots of love to former Idols and hopefuls this week. She and wife Kelli Carpenter visit Clay Aiken (center) after his performance Tuesday in Spamalot. So far, no news on more cruise offers, even for Clay.
9 of 19 Jean-Paul Aussenard/WireImage.com
Paris Hilton sauntered in to the Mercedes Benz Fashion Week Fall 2008 on Tuesday, with new sidekick/BF Benji Madden in tow. For the ska-styled rocker, it seems, fashion just looks better through sunglasses.
10 of 19 Mark Sullivan/WireImage.com
Dazzling in a shiny purple dress, America Ferrera arrives at the Under the Same Moon premiere on Tuesday in Hollywood. She plays a supporting role in the film, which received a standing ovation at Sundance in 2007.
11 of 19 Jamie McCarthy/WireImage.com
Less football, more fashion Looking quite dapper himself, Pats star Tom Brady and Gisele Bundchen attend the Ermenegildo Zegna store opening in New York March 11.
12 of 19 Dimitrios Kambouris/WireImage.com
Charlize Theron wakes up onlookers with fabulousness at the premiere of her new indie pic Sleepwalking. The actress stars alongside Dennis Hopper, Nick Stahl and AnnaSophia Robb, who plays Theron's abandoned daughter.
13 of 19 Janette Pellegrini/WireImage.com
Melania Trump and son Barron attend the 17th Annual Bunny Hop at FAO Schwartz on Tuesday in New York. Young Barron clearly got his dad's hair.
14 of 19 Jim Spellman/WireImage.com
All glammed up and ready for action, Tori Spelling attends a book release party for her new memoir, sTORI Telling, on Tuesday in New York. Some of the tidbits from her tell-all, such as her vitriolic swipes at her mother, are already getting buzz.
15 of 19 Dimitrios Kambouris/WireImage.com
Iggy Pop bares it all in true rocker form at the Rock and Roll Hall of Fame Induction Ceremony on Monday in New York. Iggy and his band, The Stooges, took the stage to strip the pop sensibility off of a few Madonna tunes at the event in her honor.
16 of 19 Don Arnold/WireImage.com
Sometimes, celebs need directions to the red carpet. A windswept Catherine Zeta-Jones checks her route at the premiere of Death Defying Acts in Sydney. Zeta-Jones joins Guy Pearce and Saoirse Ronan in the film.
17 of 19 John Shearer/WireImage.com
America's original top model Cindy Crawford and husband Rande Gerber get together for a family photo. The couple and their (totally gorgeous) children attended the John Varvatos 6th Annual Stuart House Benefit in West Hollywood last weekend.
18 of 19 Jean Baptiste Lacroix/WireImage.com
Heroes' Ali Larter shows off her smile power at the Inaugural Avant-Garde Gala on Saturday. Take in her big grin now, because Larter will soon be taking to the big screen in a stalker-thriller, which probably doesn't hold many laughs.
19 of 19 Todd Williamson/WireImage.com
Steve Carell surveys the scene at the world premiere of Horton Hears a Who! in Los Angeles. In the animated adaptation of the eponymous Dr. Seuss book, Carell voices the part of the mayor of Whoville, an endangered microtown.