Pop star Lady Gaga and her management company were sued by MGA Entertainment Inc. for $10 million for failing to approve a line of dolls in her image, Bloomberg News reports. The Van Nuys maker of Bratz dolls says in the complaint that it agreed to produce dolls in Lady Gaga’s image in December 2011 at the request of her management company, the Atom Factory in Culver City, and a merchandising company, Bravada International Group of Los Angeles.