"She's been there when I had no titles and she's still here 89 titles later," said Roger Federer.
Federer claimed an 18th career Grand Slam title with a victory over Rafael Nadal in Melbourne.
Interrupting a 23-time grand slam champion with your ringtone after she's just won the Australian Open probably isn't the best way to get her attention.
Serena upstaged Venus 6-4 6-4 to land not only an unprecedented seventh title at Melbourne Park but also an open-era record 23rd grand slam singles crown.
The greatest rivalry in tennis history is set for another chapter after Nadal defeated Grigor Dimitrov in a five-set marathon.
The Swiss star narrowly missed a ball-kid with a wayward shot while playing Jo-Wilfred Tsonga.