Chris Brown‘s mom, Joyce Hawkins, is taking her son’s legal woes seriously. After the embattled singer showed up at Greenhouse following his performance at the Nokia Theatre, Hawkins had the club’s staff remove all alcohol from his table to avoid any appearance of violating Brown’s probation. A sober Brown spent the rest of the night flirting with a table of tall beauties before covering his face to hide from paparazzi on his way out.