Jesse James' ex-wife, Janine Lindemulder, tells RadarOnline exclusively that he called her just two weeks after he married Oscar winner Sandra Bullock and admitted he had made 'a big mistake'.

The motor bike mogul has enraged millions of American women in recent weeks by comparing Bullock and Kat Von D as lovers while claiming Bullock was insincere about their relationship.

PHOTOS: Sandra Bullock and Son, Louis Bullock out and about in New York