Directed by Paul Feig and starring Melissa McCarthy and Kristen Wiig the new take on the classic 1984 film tops the UK box office with £4.3 million.
The original movie took a total of £12 million in the UK and time will tell if this will climb to those height.
The Secret Life of Pets falls to number 3 after 3 weeks at the top with a weekend gross of £2 million gross which brings the films total gross to £25.7 million.
The Secret Life of Pets is also the highest total grossing film on this weeks box office.
Also new this week at number 2 is the 5th in the Ice Age series Ice Age Collision Course, its debut gross is £3.7 million.
Historical charts
A year ago - Marvels smallest hero Ant-Man made its debut at the top of the box office with Minions falling into second place.
Five years ago - The last Harry Potter film Harry Potter and The Deathly Hallows Part 2 made its debut at the top while Transformers: Dark of The Moon falls into second place.
Ten years ago - Holding on to the top spot was Pirates of The Caribbean: Dead Mans Chest leaving Superman Returns to debut at number 2.
Fifteen years ago - Shrek went back to the top of the box office knocking off Lara Croft Tomb Raider while the highest new film was as low as 5 in the shape of Pok�mon 3 The Movie.
Twenty years ago - Mission:Impossible held on to the top spot keeping The Cable Guy off the top and leaving it to debut at number 2.
Twenty five years ago Thelma and Louise made its debut at the top knocking off The Naked Gun 2 � The Smell of Fear after a couple of weeks at the top.
