Serena Williams Just Gave Meghan Markle Some Straight Up Real Talk

The tennis legend spilled the tea on some advice she gave her royal BFF.

Feisty and fierce Serena has never been one to hold back, and don't we love her for it?

Case in point: the straight up real talk she delivered to her friend and newly-minted Duchess Meghan Markle.

At Wednesday night’s launch for her clothing line 'Serena' during Art Basel in Miami, the sports star -- who gave birth to her first daughter with hubby Alexis Ohanian in 2017 -- revealed the deets on a recent convo they shared.

Markle and Williams shared a laugh at the DirecTV Celebrity Beach Bowl in New York, 2014. Image: Getty.

"I’m like, 'How are you?' and she's like, 'No, how are you?' and I'm like, 'You’re so sweet, but I’m really asking -- how are YOU?'" Serena told PEOPLE.

I’m like, 'Meghan, stop being so nice … you're the pregnant one, aren't you supposed to have hormones, why are you so sweet?' But that’s always been her.

Some things never change, even after you marry a Prince, it seems.

READ MORE: Lisa Wilkinson: My Interview With Serena Williams Was Intense To Say The Least

The then-actor posted this sweet snap of the duo at Williams' New York Fashion Week show in 2016 on her now-closed Instagram account.

It's kinda nice to know that Megs has always been, well ... nice. It puts the rumours of a spat between the Duchess and her grandmother-in-law the Queen, and all that stuff about a rift with sister-in-law Kate into perspective.

And we're also loving how proud mama Serena -- daughter Alexis Olympia is just over a year old -- is happy to share pregnancy advice with her long-time girlfriend.

READ MORE: Serena Williams Hits Back At Body Shamers: Game, Set And Match!

In fact, Serena and Meghan's friendship has been going strong since they first met at the Super Bowl in 2010.

The duo was spotted giggling four years later at a game of flag football at DIRECTV's Celebrity Beach Bowl and Meghan, 37, was court-side to cheer on her pro athlete pal at the US Open later that same year.

In 2016 the royal mum-to-be supported Serena during her New York Fashion Week show, sharing a sweet backstage snap on her now-defunct Instagram account.

Serena Williams and Alexis Ohanian arrive at the royal wedding
Williams and hubby Ohanian at the royal wedding on May 19, 2018 in Windsor, UK. Image: Getty.

Ahead of Meghan's May 19 wedding to Harry earlier this year, Serena offered these words of wisdom, telling the bride-to-be to "enjoy the moment" and "eat the cake!"

Even though the tennis pro was coy about whether she'd be attending the nuptials of the year, we were all thrilled to see Serena and her man on the big day.

It looks like the gal pals are tight as ever, with Meghan watching Serena play -- and sadly lose -- Wimbledon in July.

As if we needed any more proof, the Duchess went and wore a jacket from Serena's clothing line while on a royal tour down under.

Repping your mate's own label? Now that's the ultimate BFF move.

Feature image: Getty.