AnnaLynne, Sophia, Brody, Joel and More Celebrate Summer with Op

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What happens when you put some of today’s hottest young stars together for one photo shoot?  According to AnnaLynne McCord and Brody Jenner, it was nothing but fun.  McCord and Jenner are some of the latest stars to helm the Op summer ad campaign, along with Sophia Bush, Joel Madden, Solange Knowles, and Cody Linley.  “[With] all these different types of entertainers all coming together, you never know how it’s going to be, but we had a lot of fun,” 90210’s McCord told reporters Tuesday night at the launch party for the campaign at Mel’s Diner in West Hollywood.  “We kept asking, ‘are we really working? Is this really job?’  It was awesome!”  And working with photographer Larry Bartholomew couldn’t have been more laid back. “[He] was probably the easiest photographer I’ve ever shot with,” said the Hills hunk.  “We had a blast.  Everybody was very cool, very friendly.  I hadn’t met any of these people except for Joel [and] we had a good time!”  As for fans of Op, there were plenty to be found on set.  McCord confessed her love for the line’s swimwear collection, while Bush, who arrived to the party in head-to-toe Op (even artfully pinning her cardigan with a brooch in the back!), has been wearing the brand since she was young.  “I grew up in California and I grew up wearing the clothes.  When I heard they were making it so affordable and so consumer friendly, I just thought it was great.”  And so do we.  Op is available exclusively at WalMart. –- Shruti Dhalwala