Andy Murray wasn't maybe totally satisfied by his haircut or more probably some of his front hairs were disturbing him. He made a little on-court adjustment to it during his match against Rafael Nadal in London (ATP Finals 2015, Masters).
From the BNP Paribas Showdown in Madison Square Garden, Maria dances with a spectator first before Wozniacki tell Rory (her boyfriend) to come and then make him play a point against Sharapova. (NYC, 3/5/2012)