The 2011 US Open champion could not wait to join her friend for the 'Barty Party'.
We spotted some celebs from the world of Hollywood, cricket and comedy enjoying some tennis action and here we give a glimpse of them...
Frances Tiafoe is hopeful to build on his own stature in the game as he prepares for an Australian Open quarter-final clash with Rafael Nadal on Tuesday.
'It wasn't really a nice time to be dealing with everything'
Images from Day 1 of the 2023 Australian Open at Melbourne Park on Monday.
Images from Day 10 of the 2020 French Open, at Roland Garros, in Paris.
A summary of Saturday's action at the US Open.
IMAGES from Day 2 of the US Open played at Flushing Meadows in New York on Tuesday.
Images from Day 5 of the 2023 Australian Open at Melbourne Park on Friday.
Serena Williams showed glimpses of what lies in store for rivals this season
Images from Day 6 of the 2021 French Open at Roland Garros in Paris on Friday.
US Open champion Stephens again ended former world number one Victoria Azarenka's hopes of a fairytale comeback by beating her 3-6, 6-2, 6-1 in an afternoon encounter, while French Open champion Ostapenko beat unseeded American Danielle Collins in the nightcap, staving off a set point en route to a 7-6(1), 6-3 triumph.
A round-up of all tennis action on Saturday.
Stefanos Tsitsipas' YouTube channel is experiencing a surge in subscribers after he reached the Australian Open semi-finals and the Greek youngster will hope to add to his highlight reel when he faces world number two Rafael Nadal on Thursday.
Pole says she feels much better prepared to handle the pressure of her latest career milestone.
Nadal had a solid start, but the 35-year-old struggled physically towards the end of the contest
Kenin, Andreescu to be part of team event in Charleston in June
Sofia Kenin said that the experience at Roland Garros changed her career trajectory.
World Number one Simona Halep and Japan's Naomi Osaka are among the players nominated for the Women's Tennis Association (WTA) Player of the Year award.
Former world number one Venus Williams produced a vintage display to outclass Netherlands' Arantxa Rus in straight sets and storm into the second round of the Yarra Valley Classic.
Thiem, Wawrinka stay positive after defeats on return
Petra Kvitova takes on Naomi Osaka in Saturday's Australian Open final with one of them set to emerge as a fresh champion at Melbourne Park.
'She's always smiling. I mean, we try in our team to smile everywhere. We make so many funny stuff around the court. She likes it'
IMAGES from the matches played at Miami Miasters in Key Biscayne, Florida, on Wednesday
Australian Nick Kyrgios blasted 15 aces to blow past Japan's Yoshihito Nishioka 6-2, 7-5 on Thursday and reach the quarter-finals at the Citi Open in Washington.
Images from Day 5 of the 2022 French Open at Roland Garros in Paris on Thursday.
Serena Williams sounded a warning for her fellow Australian Open contenders with a sleek win
Williams had little trouble against the 31-year-old German although the gusty breezes at Auckland Tennis Centre played havoc with her ball toss, especially when she was serving for the match at 5-3 in the second set.
Prajnesh, India's top-ranked singles player at 122, downed the local wild card Jason Kubler 7-5, 6-3 in the first round
It will be the earliest meeting between the two since their first professional match in the second round of the 1998 Australian Open.
Murray, who is attempting to return to the top of the tennis world after undergoing hip surgery in January, was out of sorts in the first set of the rain-delayed match, losing three service games behind some uncharacteristically soft second serves.
Images from Day 4 of the 2021 French Open in Paris on Wednesday.
Images from the 2022 Wimbledon Championships at the All England Club in London on Sunday.
A summary of Wednesday's action at the US Open.
A summary of Thursday's play at the US Open.
IMAGES from Day 1 of the Wimbledon Championships played on Monday.
Defending champion Sloane Stephens was sent packing from the Miami Open on Sunday after a 6-3, 6-2 loss to Germany's Tatjana Maria in the third round.
A summary of sports events and persons who made news on Saturday
Venus Williams staged a spirited comeback to down third seed Petra Kvitova 4-6, 7-5, 6-4 and reach the third round of the BNP Paribas Open in Indian Wells on Saturday.
The 23-times Grand Slam champion looked a completely different player from the person who smashed her way into the semi-finals of the doubles with Caroline Wozniacki on Wednesday but managed to do just enough to beat the 86th-ranked McHale.
