 Three years after winning the previous competition, the Barden Bellas are now led by senior Beca Mitchell and three-time super senior Chloe Beale.The Bellas have become ICCA champions each of these three years.However, the group gets involved in a national scandal (dubbed "Muffgate") when Patricia "Fat Amy" Hobart accidentally rips her pants in front of U.S. President Barack Obama during a performance on his birthday at the Kennedy Center, showing her genitalia to the public as she did not wear her underwear.