Star Tracks: Thursday, May 27, 2010

Sarah Jessica Parker tops off a billowy dress from the late Alexander McQueen with a daring Philip Treacy hat at London's Sex and the City 2 premiere Thursday.

Halle Berry, who recently split with partner Gabriel Aubry, savors some quiet time – and a snack! – on Wednesday during a shopping trip through Century City, Calif., with their 2-year-old daughter, Nahla.

They're both winners! Newly-crowned American Idol champ Lee DeWyze hangs with recovering rocker Bret Michaels, who stopped by the show's emotionally charged season finale to perform "Every Rose Has Its Thorn" with runner-up Casey James.

Also at the American Idol finale Wednesday: Season four champ Carrie Underwood, who cozies up to fiancé Mike Fisher before performing her song "Undo It" for the crazed crowd. Later, she sang with six of seven former winners (David Cook had a previous charity event commitment) as part of a salute to departing judge, Simon Cowell.

Let Dad show you how it's done! Will Smith greets fans like a pro on Wednesday before a screening of 11-year-old son Jaden's new film, The Karate Kid, in Chicago.

Sporting identical tresses, fraternal twin fashion mavens Ashley and Mary-Kate Olsen step out in support of designer Steve Madden (not pictured) Wednesday during the American Image Awards at New York's Grand Hyatt hotel.

Heidi Klum looks sunny in Jenny Packham at the Wednesday launch party for her A Pea in the Pod and Motherhood Maternity lines in Beverly Hills.

Kris Jenner snuggles up to daughter Kim Kardashian Wednesday at a charity clothing drive hosted by Kelly Osbourne (not pictured). The event, held at West Hollywood nightclub Mi-6, benefited homeless resource center My Friend's Place.

Jersey Shore's Paul "Pauly D" Delvecchio gets the finishing touches put on his signature style at a Miami barbershop Tuesday. The show's cast is currently shooting season two in South Beach.

Who needs a cab? Apparently not Hugh Jackman, who hits the streets of New York City on a scooter Wednesday.

Britney Spears shares her love for coffee with boyfriend – and former agent – Jason Trawick, going on yet another caffeine run in Santa Monica, Calif., Wednesday.

A well-suited Jake Gyllenhaal makes some lucky fan's day Wednesday while promoting his new flick, Prince of Persia: The Sands of Time, in New York. The action film opens this Friday.

A trendy eighties-clad Whitney Port – check out her Bananarama shirt! – takes a sunny stroll around N.Y.C. Wednesday after filming scenes for her MTV show, The City.

Kate Winslet gets into character Wednesday while shooting her upcoming drama, Mildred Pierce in Queens, N.Y. The flick also stars Evan Rachel Wood and Guy Pearce.

After catching up with her victorious brother Derek, Julianne Hough shows off her silky skin Wednesday at the launch of Caress's new body wash in New York.

They sure make some beautiful music together! Alicia Keys grins from ear to ear and shows her affection for her beau, producer Swizz Beatz, while making their way into their London hotel Tuesday.