Cameron Diaz is reportedly dating Jason Lewis. The "My Sister's Keeper" actress attracted attention with her flirty and affectionate behavior towards the "Sex and the City" actor during a recent meal together at a sushi restaurant in Venice Beach.

An onlooker said: "Cameron and Justin were sitting in the corner of Shima totally wrapped up in one another. They couldn't stop touching each other. And we couldn't stop looking."

Renee Zellweger grabbed Bradley Cooper's butt during a trip to Barcelona. The "Case 39" co-stars - who are rumored to be dating - flew to the Spanish city on Saturday and onlookers claim they couldn't keep their hands off each other as they enjoyed several romantic dinners.

One said: "Bradley and Renee seem smitten with each other and at one point she cheekily grabbed his behind."

Gerard Butler wants to date a "dumb woman." The "Ugly Truth" actor, who has been romantically linked to Jennifer Aniston, is attracted to different types of women and has no idea what he really wants from a relationship.

He said: "I couldn't actually tell you what I look for because it's different in each woman, but part of it is being smart and part of it is being dumb."

Brad Pitt and Jennifer Aniston were being lined up to star in the "Time Traveler's Wife" - before their split. The former couple - who separated in January 2005 before finalizing their divorce in October 2005 - would have been ideal for the lead roles of Chicago librarian Henry DeTamble and his love interest Clare Abshire, according to screenwriter Bruce Joel Rubin.

Bruce said: "I thought Brad and Jennifer would be perfect for this film. I just saw them as a perfect version of Henry and Clare."

Jennifer Aniston doesn't mind being seen as a "lonely girl." The "Baster" actress - who has had failed relationships with Brad Pitt, Vince Vaughn, Paul Sculfor and John Mayer - insists she is happy, but can understand why her personal life attracts so much negative attention.

She told Elle magazine: "I'm not going to ignore the pink elephant in the living room. It's fine. I can take it. I am supportive of anybody who is in a place that's not their strongest but is ready to push forward."

John Mayer "slept" with nine science-fiction geeks at a comic book convention last weekend. The "Gravity" singer joked he seduced several women dressed as Japanese manga heroine Sailor Moon at Comic-Con in San Diego, California.

Writing on his Twitter account, the 31-year-old star said: "This weekend at Comic-Con I slept with nine Sailor Moons. Not an easy task when you're dressed like a Stormtrooper."