By _YBF

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We’ve rounded pics of what some of your fave YBFers are up to this weekend. Peep #YBFWeekend shots of Serena Williams, Tracee Ellis Ross, Mariah Carey and more inside…

As she gears up to compete in the upcoming U.S. Open tournament in NYC (kicking off on Monday), Serena Williams was front-and-center with her racket in hand to participate in the tournament’s pre-game festivities.

Yesterday, the 21-time Grand Slam winner (above alongside tennis player Rafael Nadal) made in appearance at the 20th annual Arthur Ashe Kids’ Day held at the Billie Jean King Tennis Center in Flushing Meadows to honor the legacy of tennis legend Arthur Ashe.

Beachbody coach and fitness motivator Shaun T was also in the mix. Before getting to his hosting duties, Shaun showed off his washboard abs on the carpet…making us swoon.

The kiddies enjoyed a day of playing tennis and learning new skills from the tennis champions, live music with performances by Natalie La Rose and others, balloons and grab bags for a fun-filled day of tennis.

Serena is set to hit the Arthur Ashe Stadium tennis court on Monday, August 31st at 7pm ET to battle it out against Russian player Vitalia Diatchenko for round 1 of the women’s singles during the opening ceremony. Her sister Venus Williams will play against Puerto Rican player Monica Puig on the same day at 11am ET at the Arthur Ashe Stadium.

Good luck ladies!

Over on the ‘gram….

“black•ish” Tracee Ellis Ross is getting in some quality time with her sister-in-law Jessica Simpson! The TV mom posted the glam shot above on Instagram with the caption, “#sisters.” SIDENOTE – We are LOVING these red Alaia sandals Tracee is rocking.

As you know, Tracee’s little brother Evan Ross and Jessica’s little sister Ashlee Simpson are married and recently welcomed their first child together, Jagger Snow Evans. Tracee and Ashlee linked up earlier this week to celebrate Evan’s 27th birthday, so this pic is likely from the celebration. Nice!

We told you R&B songbird Mariah Carey is currently living it up on vacay with her billionaire beau James Packer. And it appears she brought her twins Monroe and Moroccan along (again) for round 2 of fun.

The twins have joined their mother on James’ luxurious yacht to sail the waters overseas. MC shared a few sweet moments with Dem Babies as they prepared to go to bed all smiles in their pajamas.

In another set of photos, MiMi gives us a glimpse of the fun they had in the pool:

Little Moroccan is surely a mama’s boy as he licks the side of his mom’s face. She captioned, “Puppy luv” Adorbs.

And little Roe got in her “mermaid” kisses with mommy. Cute.

In the latest round of rumors about MC’s whirlwind romance, it was being reported the “#1 to Infinity” songstress and her Australian “dreamlover” was expecting their first child together. Well, it’s FALSE. MC’s rep confirmed to E! News that Mariah is NOT pregnant. There’s that.

Another mommy having pool time with her kiddie…..

“Love & Hip Hop: New York” star Yandy Smith Harris took her baby girl Skylar out for a dip in the pool after touching down in Tallahassee, FL for a hosting gig.

And, of course, mommy had to show off her post-baby bod in fringed two-piece. Work!

Queens native LL Cool J returned to his childhood neighborhood to host his annual “Jump & Ball” tournament. The event offered live music, free food and tons of other family friendly activities.

Participants also hit the basketball court for a series of tournaments to determine the “kings of the court.” LL took to his IG to thank everyone for another successful year captioning, “Thank you to everyone who came out to support #JumpandBallXI!!! Much love #Queens #NY” Sweet!

While her hit STARZ series “Survivors Remorse” aired a new episode last night, YBF chick Teyonah Parris was having a fab summer night in NYC. Cute.

And for a little ratchetness….

R&B singer and reality star K. Michelle — with a new short blonde look — took to her Instagram to rant and rave about loving herself and a slew of other topics. The most noteworthy were her comments about no longer wanting to date black men and poppin’ off on “LAHH ATL” star Rasheeda saying she raps like Shawty Lo!

Check it:

Bloop!

Photos: Splash/INF/Pacific Coast News/Tracee’s IG/Mariah’s IG/Yandy’s IG/K’s IG/LL Cool J’s IG

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