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12 June 2015 Last updated at 08:12 BST
Oscar-winning actress Sandra Bullock, along with three of the main stars - Bob, Kevin and Stuart - hit the yellow carpet.
Sandra voices the movie's villain, Scarlet Overkill,
BBC entertainment reporter Chi Chi Izundu sent Newsround this report from the star-studded premiere.
Minions opens in cinemas on June 26
Carl Frampton suffered the first defeat of his professional career as Leo Santa Cruz won on points to regain the WBA featherweight title in Las Vegas.
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Minions mania hit London on Thursday night, as the new film starring the loveable yellow characters had its world premiere.