Saweetie and Lil Nas X led the all-star performances at iHeartRadio's 101.3 KDWB Jingle Ball 2021 in St. Paul/Minneapolis, Minnesota on Monday. Holiday headliner: Saweetie used her star power as one of the headliners at the 101.3 KDWB's Jingle Ball 2021 Presented by Capital One at Xcel Energy Center Saweetie, born Diamonté Quiava Valentin Harper, 28, flaunted her curves in …