Star Tracks: Friday, January 21, 2010

New guy alert? Cosmo cover girl Kelly Osbourne steps out hand-in-hand with a mystery man Thursday in New York.

After a promotional stop in Berlin, Reese Witherspoon resurfaces in Paris on Friday, looking très chic while shopping at Louis Vuitton.

He's got that new dad glow! A beaming Orlando Bloom takes his coffee to go on Thursday while strolling through Santa Monica. The actor and wife Miranda Kerr welcomed their first child, son Flynn, on Jan. 6.

After sharing high school stories on Lopez Tonight, Cameron Diaz jets to Miami Thursday, where the Green Hornet star grabbed dinner at Prime 112 with boyfriend Alex Rodriguez and former president Bill Clinton (not pictured).

Gwyneth Paltrow struts her stuff in a form-fitting sheath while exiting London's May Fair Hotel Thursday.

It's date night for Hugh Jackman and wife Deborra-Lee Furness, who attended the opening night party for the Winter Antiques Show at New York's Park Avenue Armory Thursday.

What a way to travel! Kai Schreiber, 2, gets a lift from mom Naomi Watts on Thursday while out and about in New York City.

Nick Jonas and his little bro, "Bonus Jonas" Frankie, 10, get up close with the man himself – Spider-Man! – after checking out the musical Spider-Man: Turn Off the Dark Thursday in N.Y.C.

After palling around with Muppets on set, Amy Adams gets in the swing of things Thursday with 8-month-old daughter Aviana and fiancé Darren Le Gallo during a family playdate at Beverly Hills's Coldwater Park.

Eva Longoria leaves revelers green with envy Thursday while shooting scenes for Desperate Housewives with co-star Ricardo Chavira (not pictured) in L.A.

Ashton Kutcher is greeted by fans after stopping by Good Morning America in New York Thursday. The actor's latest film, No Strings Attached co-starring Natalie Portman, hits theaters today.

Jersey Shore star Nicole "Snooki" Polizzi leaves her mark while visiting the New York offices of Sirius radio Thursday. "Just got done with Sirius radio!" she Tweeted, "So much fun".

Another day, another colorful outfit for Nicki Minaj, who continues promoting her debut album, Pink Friday, in London Thursday.

How you doin'? Real Housewives of Beverly Hills stars Adrienne Maloof and Taylor Armstrong gear up for the finale of their drama-filled show by paying a visit to The Wendy Williams Show in New York on Thursday.

Fresh off her Australian family getaway, Kate Gosselin goes bargain shopping on Wednesday, wheeling her way out of a Reading, Pa., Target.