The U.S. singer and songwriter makes an hilarious cameo in the new Australian comedy series Urzila . Anastacia attends The Breast Cancer Research Foundation's The Very Hot Pink Party at the Waldorf-Astoria. Fairchild Archive/Penske Media/WWD Trending on Billboard She might be outta love, but Anastacia is full of laughs. The U.S. singer and songwriter with the huge voice makes an hilarious cameo in the new Australian comedy series Urzila, helmed by South Africa-born, New Zealand-based comedian and actress Urzila Carlson.   In the new clip, Anastacia puts a squad of backing dancers through their paces ahead of her next single release, a “dancehall banger.” The class has one objective — the pop star needs to feel the heat . Explore See latest videos, charts and news Anastacia, herself a former professional dancer, overlooks the clear favorite Davis, despite his array of sweaty, flashy moves. Instead, she’s transfixed by Urzila’s offbeat choreography.…