"And I remember I went through the drive-thru to deposit my check, and then they were like, 'I think you need to come in for this, ' and so I ended up going inside ..."
Money never seemed to figure into the athlete's mind as she continued to destroy opponents and set records during her career.
Of course Serena is now taking a break from the sport, as she is expecting her first child in September. "I've actually never played for money-I just thought you would go out there and hold a trophy". It comes as no surprise then that when Williams received her first million-dollar check she kept it safely in the bank.
The mum-to-be told Vanity Fair that she had been convinced by her friend to take a pregnancy test, saying: "I'll take it just because (a) to prove you wrong and (b) because it's fun, whatever".More news: Indian scientists discover new supercluster of galaxies
But that doesn't mean she blows through cash.
Life for Williams will change dramatically with the birth of her child this fall, and Williams said that she hopes to give her kid the same kind of childhood that her parents gave her. "I don't know how my parents were able to make me feel that way, but they did, and that was something really special", she said. She certainly could - this is the woman who won the Australian Open while pregnant, after all - but some time outside of the spotlight is much deserved.
Carter asked Williams about how she collected her winnings, and Williams said she picked up a check at the end of the year long before money was wired directly to accounts. She also told Carter that she wants to give her child everything she had, and, as the Huff Post interview reveals, she will do everything she can to achieve that goal.
"Any daughter of mine will have a voice", she said in her interview with Carter.