Thursday 23 June 2016 10:21, UK
Even though her 35th birthday is fast approaching, Serena Williams is determined to defend her Wimbledon title, writes Jacquie Beltrao
It is pretty hard to get a decent interview with Serena Williams.
Not that she's a bad interviewee - far from it - she's incredibly complex, sassy and interesting.
However, the world's No 1 tennis player is quite protected by the tennis authorities - and pre-Wimbledon, you're lucky to get two questions.
So when one of her sponsors, Delta Airlines, offers an interview - and the chance to see her singing karaoke - you do find yourself sprinting across London thinking 'this has to be too good to be true'.
It wasn't - Serena, who has been known to be a bit of a diva (after all she did make a recent star appearance in Beyonce's Sorry video and is pretty good friends with 'Bey') is a dream.
She is still disappointed after losing the French Open final a couple of weeks ago and admits she does dwell on her defeats, but at least Wimbledon comes around quickly.
The reigning champion has been hitting on the grass at the Aorangi practice courts at the All England Club, which has always been such a happy hunting ground for her and her sister Venus.
Serena is about to start the defence of her Wimbledon crown, which she won for the sixth time last summer, and is just one win away from equalling Steffi Graf's record of 22 Grand Slam titles.
She's still hungry to be "the best I can be" and says she will stop when she wakes up one morning and that hunger is gone.
The women's game must be worried that day is imminent.
With her 35th birthday looming, Serena is closer to the end of her career than the start - and with Maria Sharapova suspended for two years for failing a drugs test, Serena is now the sport's only megastar.
You could argue that she is the most powerful woman in female sport right now, having overtaken Maria Sharapova at the top of the Forbes rich list for the first time this year.
Her professional career now spans over 20 years and shows no signs of slowing up - although if she doesn't win Wimbledon, she won't hold any Grand Slam title and that's not happened for quite a while.
But Serena says it was never about the money or the fame for her and it still isn't - it's just about the tennis and winning and enjoying the battle.
Of course, she gets fed up of the lifestyle: the constant training, travelling, packing, unpacking and not sleeping in her own bed.
She says there are many days when she wants to be home with her two dogs snuggling under the duvet or being with her family and she can't.
Asked what her proudest achievement is, she doesn't mention a tennis win at all.
She's been told she's a very good daughter, and says that she's proud of that and hopes that one day she has good kids of her own who will be equally good at listening.
Serena has four Olympic gold medals and she intends to add to that tally in Rio - the Zika virus has not put her off in the slightest.
Despite her prolific cooking on Snapchat, mostly tacos, she claims to be the world's worst cook.
She also says she's the world's worst singer, but if you check out her karaoke performance you'll see that's not true.
But there's never any doubt about Serena's tennis credentials - is she the best of all time? Probably.
Will anyone be able to emulate her achievements and longevity in the sport? Probably not.
