Entertainment TV Kaley Cuoco Spends Time with Friends' Children After Announcing Divorce: 'My Best Friends' Kids Rock' The actress was all smiles at an event two days after announcing split from husband Ryan Sweeting By Aurelie Corinthios Published on September 28, 2015 10:35 AM Share Tweet Pin Email Photo: Randy Shropshire/Getty Kaley Cuoco is keeping busy in the wake of her split from Ryan Sweeting. The Big Bang Theory actress took to Instagram on Sunday to post a sweet collage of her and her pals at the Bryan Brothers Tennis Fest this weekend. “Had an amazing time today hangin at the #bryanbrostennisfest #bryanbrothersfoundation,” she captioned the pictures. “Loved seeing my friends @mikecbryan @bryanbros @lucillebryan and my favourite little Diaz girls!!! #mybestfriendskidsrock.” Cuoco, 29 and her tennis player husband, 28, announced their split exclusively to PEOPLE on Friday. The stars’ decision to end their marriage after 21 months was “mutual,” Cuoco’s rep said, adding that they “ask for privacy at this time” and would not be making further statements regarding the split. Just one day later, Cuoco competed in a horse-jumping event at the Flintridge Riding Club in La Cañada Flintridge, California. A source told PEOPLE the actress was “extremely focused” during the event and did well. RELATED VIDEO: We Bet You’ve Never Seen Kaley Cuoco-Sweeting Interviewed by a Horse Before Cuoco also introduced her new horse Zaza on Instagram on Saturday, and the star is not wearing her wedding band or engagement ring in the photo. A source told PEOPLE that Cuoco and Sweeting both “seemed miserable” before their divorce, even during romantic nights out. The source also said that the two have “totally different personalities.” “The tension was noticeable,” added the source of the “few times” the couple were out together recently. “You could tell the honeymoon phase has ended.”