Prince William and girlfriend Kate Middleton, at a 25th birthday party for pal Guy Pelly at tropical cocktail bar Mahiki in London. The fun-loving royal dressed in a Superman costume for the bash (obviously interpreting the invite's "fancy dress" code liberally). "It was funny, people were touching his (fake) pecs and silly things like that," says a fellow partygoer. While Middleton ordered her favorite Mahiki cocktail, a piña colada, William had a vodka cocktail. "Everyone was dancing – it was great," says the source.
Heather Locklear, who recently said she's single, smooching on-again, off-again man David Spade as they walked around a Beverly Hills condominium complex near Barneys New York. "They looked really happy with one another, taking a break to kiss," a source tells us.
Heroes star Hayden Panettiere, getting cozy with boyfriend Stephen Colletti over brunch at New York City's Blue Water Grill. "They were all over each other," a source tells us. The pair found time to share eggs Benedict and a mushroom omelet in between nuzzles – and Colletti, the former Laguna Beach star turned MTV veejay, picked up the bill.
More Valentine's Day Fun
Sting and wife Trudie Styler, convincing West Hollywood eatery Il Sole to open especially for them for a late lunch. Once inside, the couple held hands and chowed down on Caesar salad and linguini with Hawaiian shrimp.
Joshua Jackson, cuddling with Diane Kruger at the Cinema for Peace gala in Berlin. But Jackson didn't get a personal tour of the city from his German girlfriend. "I hear it's a great city, but I've mostly been seeing the inside of the hotel room," the actor told us.
Haylie Duff and A.J. DiScala, acting "lovey-dovey" at Teddy's at the Hollywood Roosevelt Hotel. "They were sitting next to each other for most of the night at their table," says a source. "They kissed a bunch of times." DiScala tells us that the pair have been together for several weeks. Earlier, the entertainment manager (who's Jamie-Lynn Sigler's ex-husband) had a 36th birthday dinner celebration with Duff and pals including Nick Lachey and Lance Bass at Sideways Lounge in Hollywood.
Jackson Lee / Splash News
By BRYAN ALEXANDER, REAGAN ALEXANDER, KAREN NICKEL ANHALT, LISA INGRASSIA, MONIQUE JESSEN, KIMBERLY LANSING and LESLEY MESSER