1 of 16
Rocking a flannel shirt and flashing her legs, Lindsay Lohan heads out to Hollywood hotspot Winston's on Monday, where the actress arrived hand-in-hand with pal Nicole Richie.
2 of 16
Earlier, Lohan rolls out in contrasting black and white as she arrives at the Santa Monica Four Seasons hotel in her Mercedes convertible.
3 of 16
Britney Spears dares to bare her toned body as she arrives at her regular haunt, the Millennium Dance Studio, in North Hollywood on Monday. And why not? Since completing rehab last month, the pop star has been working hard at getting back to fighting weight.
4 of 16
After walking the red carpet solo at the U.K. premiere of Spider-Man 3, Kirsten Dunst arrives on the arm of rocker beau Johnny Borrell at the film's afterparty on Monday. Though Dunst has been keeping quiet about the relationship, the Razorlight musician told PEOPLE recently, "You follow the things that you can't resist and you go where you go. That's falling in love."
5 of 16
6 of 16
TWICE AS NICE
A statuesque Liv Tyler creates a fashionable double take as she arrives at the Free Arts NYC 8th annual Art Auction Benefit on Monday at New York's Milk Gallery. Tyler wore the ruched Luisa Beccaria frock on the cover of Glamour. "I loved it so much, she made me one," Tyler confessed to PEOPLE at the event.
7 of 16
WILL WORK FOR FOOD
Model James Rousseau leads the way for girlfriend Kate Bosworth as the couple attend the Food Bank for New York City's annual Can-Do Awards dinner at Chelsea Piers on Monday.
8 of 16
Josh Hartnett snags an environmentally friendly bag of treats at Monday's Food Bank's Can-Do Awards dinner. The event honored U2 guitarist the Edge and former SNL star Jimmy Fallon for their commitment to hunger relief.
9 of 16
Mandy Moore hobbles through Manhattan's SoHo neighborhood Monday while out shopping. The singer has been wearing a cast since she fractured her ankle at a magazine photo shoot at the end of February.
10 of 16
ROAD LESS TRAVELED
Mischa Barton continues to go her own way when it comes to fashion, sporting another pair of high-waisted trousers while out shopping in London on Monday.
11 of 16
12 of 16
FABULOUS BAKER GIRLS
After kicking off her Sweet Escape tour in Las Vegas on Saturday, Gwen Stefani cooks up a costume-themed performance at the Coors Amphitheatre in Chula Vista, Calif., on Sunday.
13 of 16
Model mom Heidi Klum doubles up on family time with daughter Leni, 2, and son Henry, 19 months, during an outing Sunday in Los Angeles.
14 of 16
GIRLS' DAY OUT
Reese Witherspoon takes time out from reported flame Jake Gyllenhaal to go on a shopping excursion with a pal in West Hollywood on Saturday.
15 of 16
DOG DAY AFTERNOON
Following an East Coast press tour for her new film Next, Jessica Biel takes a brisk seaside stroll with her two canine companions in Malibu on Sunday.
16 of 16
'MAN' OF THE PEOPLE
Tobey Maguire hands it to his Spidey doppelgänger at London's Leicester Square on Monday, where Spider-Man 3 premiered in Britain – one of several stops this week. The superhero debut will land in a different city every day, including Paris, Madrid and Berlin, culminating Monday in New York City for Spider-Man Week – to be kicked off by Mayor Michael Bloomberg.
Jamie Chung Pops Champagne Bottles, Plus Gigi Hadid, Laura Dern & More
Celeb Quotes of the Day: Zendaya, Kendrick Lamar & More
Star Tracks: Celebs on Social