Perry gives a sexy over-the-shoulder glance before performing in London. Plus: Lady Gaga, Ashlee, Pete & Bronx, Zac Efron and more

ISLAND GETAWAY

While on a working vacation on Bald Head Island, N.C., Kate Gosselin, with her bodyguard in tow, gets her little ducks in row for an outing with her sextuplets to the Maritime Market on Friday.