Maggie Rogers also raised $17,500 (£13,750) in an online merchandise sale of her own.
Authorities have yet to confirm the reason for the Jeep driver’s actions.
Bebe’s bikini picture emerged shortly after the singer laughed off “funny” rumours suggesting she had undergone plastic surgery to improve her looks.
The singer sang her classic hit Like a Virgin and debuted her new track Future with rapper Quavo.
The rapper was killed on 31 March (19).