Hop skips its way to top of UK box office
The animated flick, which features the voices of Russell Brand, James Marsden and Elizabeth Perkins, tells the story of the Easter Bunny's teenage son, EB.
Determined to become a musician in a rock band, the youngster heads off to Hollywood to live the dream.
Source Code was another new entry, opening in second position. It stars Jake Gyllenhaal, Michelle Monaghan and Vera Farmiga and tells of a soldier who wakes up in the body of an unknown man, discovering that he is on a mission to find the bomber of a commuter train.
Last week's number one, Limitless, slipped to three, ahead of new film Sucker Punch, which debuted at four. It stars Emily Browning, Vanessa Hudgens and Abbie Cornish.
The Eagle fell two places to five, while A Turtle's Tale: Sammy's Adventure slipped to six.
Rango, Unknown, Anuvahood and The Lincoln Lawyer rounded off the top ten.