Couples Watch: Ashlee & Pete, Keira & Rupert ...

Originally posted Monday December 24, 2007 06:00 AM EST

Ashlee Simpson and Pete Wentz Photo by: Charlie Bonilla / BuzzFoto

• Ashlee Simpson, acting outta her head for boyfriend Pete Wentz as they made an impromptu stop at a Virgin Records store in West Hollywood. Trailed by photographers, the relaxed duo indulged in some very public displays of affection, sharing a kiss by the elevators and walking hand-in-hand to their car.

• Crooner Ben Harper, doing some shopping with wife Laura Dern on Santa Monica's Montana Avenue. Just missing fellow shopper Hilary Swank at toy store JennieBec's, the couple "bought two doll houses," says a source.

• Woody Allen and wife Soon-Yi, attending the Cinema Society screening of his new movie Cassandra's Dream and dishing about playing matchmaker between rumored couple Penelope Cruz and Javier Bardem. "They didn't meet on my movie, but I think they coagulated on my movie," he says. As for his new role as Cupid? "Yes, why not?"

Pink and Carey Hart Photo by: K Mazur / Getty

• It's like the honeymoon never ended! Pink was spotted snuggling up with husband Carey Hart at Hollywood lounge Green Door. "They were so lovey-dovey," says an onlooker. The singer was all smiles as she warmed up in her winter sweater and cap for their night on the town. "They were both laughing, very affectionate and flirty with one another."

• Resting up before her upcoming awards season marathon, Keira Knightley took a quiet stroll with boyfriend Rupert Friend in London. Shielding themselves from the chill, the two actors walked in step and in style, both wearing a knit cap, jeans and a black jacket.

• By JENNIFER GARCIA, MARISA LAUDADIO, AND JEFFREY SLONIM

Friday's Caught in the Act >