ANTM's Mercedes joins X-Men 3

US reality TV model MERCEDES SCELBA-SHORTE has landed a dream role in director BRETT RATNER's X-MEN 3 movie. The AMERICA'S NEXT TOP MODEL contestant is in negotiations to play the role of M in the sequel, according to spoiler website Xmenfilms.net. Also joining the cast, according to insiders, is THE OC star ASHLEY HARTMAN, who will reportedly play EMMA FROST in X-Men 3. [CM]