Couples Watch: Britney Spears & Jason Trawick Take Her Boys to Vegas
04/04/2011 AT 06:00 AM EDT
Scarlett Johansson and Sean Penn continued to revel in their new relationship with a night out at West Hollywood's Chateau Marmont. The dressed-down couple spent the early evening on the back patio, and "they seemed totally comfortable with each other and at ease," an onlooker says. When it was time to leave, the onlooker says: "They held hands and walked confidently through the hotel."
The rainy Paris weather didn't keep Ryan Phillippe and girlfriend Amanda Seyfried from exploring the city. Heading out with some friends, the couple headed out toward the Eiffel Tower, then stopped into the café Le Champ de Mars for lunch, followed by more sightseeing, including a stop by Napoleon's tomb at Les Invalides.
Drew Barrymore and new guy Will Kopelman, hanging out in a luxury bungalow at Surrender Nightclub in Las Vegas. The two were really cozy during their night out, and hung out with an eclectic group, including Vin Diesel and Crispin Glover.
Mario Lopez and Courtney Mazza never left each other's sides at the Tom Ridge Homeland Security Awards in N.Y.C. The couple handed out American flag pins and were laughing with a group and posing for pictures.
By JENNIFER GARCIA, MARK GRAY and PETER MIKELBANK