By People Staff
August 14, 2006 06:00 AM

Lindsay Lohan and Harry Morton, kissing during dinner at Beverly Hills eatery Mr. Chow. The affectionate couple “were going at it,” says an onlooker.

Scarlett Johansson and Josh Hartnett, watching a screening of World Trade Center in New York City. The pair, who held hands in the lobby before the movie, shared popcorn and “whispered through the first half of the film,” says a source. At one point, Hartnett took off his hat and rested his head on Johansson’s shoulder.

Heidi Klum and Seal, shopping with kids Leni and Henry at Tom’s Toys in Beverly Hills. “She was beaming!” says an eyewitness of the pregnant supermodel, who searched for beach playthings with her 2-year-old daughter while Seal carried his 11-month-old son and looked at Thomas the Train toys. “He is such a great dad – so attentive,” says the source. The doting parents were “so relaxed and easygoing – just too cute for words.”

Courteney Cox and David Arquette

Ashlee Simpson and Braxton Olita, looking cozy at L.A.’s Hyde Lounge. The pair, who also hung out with Jessica Simpson, CaCee Cobb and Brittany Murphy, “cuddled and held hands,” says an observer.

Courteney Cox and David Arquette, having dinner with pals Sacha Baron Cohen and Isla Fisher at Italian restaurant Il Sole in West Hollywood. The couples sipped wine and bellinis with their meals. On another night at the culinary hot spot, Heath Ledger and Michelle Williams feasted on lobster ravioli and chicken marsala with Jake Gyllenhaal.