Marc Malkin

Lisa O'Connor/ZumaPress.com

REESE’S PIECES: Reese Witherspoon, picking up a pair of jeans, a shirt, a blouse, a belt and a clutch at Martin + Osa in the Century City Mall in Los Angeles.

SINFUL CITY: Minka Kelly and Pink Taco owner Harry Morton, taking in Oscar de la Hoya’s recent fight in Las Vegas.

BRAND NAME: Forgetting Sarah Marshall star Russell Brand, shopping at the Grove in L.A.

CLUB KID: Jake Gyllenhaal, buying some jeans and sweaters at Club Monaco in Santa Monica.

SAY CHEESE: Casey Affleck, eating pizza with son Indiana August at Village Pizzeria in L.A.’s Larchmont Village neighborhood.

HOFF DADDY: David Hasselhoff, wearing a track jacket emblazoned with the word Deutschland while shopping at L.A.’s Beverly Center mall.

HORSING AROUND: Hugh Hefner and the Girls Next Door, hitting the Crown Royal Playboy Lounge Party at the Kentucky Derby while Adrian Grenier, Bode Miller, Greg Grunberg and Nick and Drew Lachey hit In Touch Weekly’s Budweiser Select bash sponsored by Pama liqueur and ProFlowers.

BIG SPENDER: Chris Evans, tipping the bathroom attendant at the Green Door in Hollywood $20 while partying with Jeremy Piven, Chris Pine and Shane West.