The Oklahoma State Cowgirls upset the defending National Champion Tuesday night in Stillwater.
Tiffany Bias scored 14 points for Oklahoma State as the Cowgirls beat 13th ranked Texas A&M 57-53.
OSU improves to 12-4 on the year and 4-3 in Big 12 play.
The Cowgirls host Kansas State Saturday morning at 11:30am.
