WWE Superstar Karmen Petrovic celebrated her 30th birthday. She has been a prominent figure on NXT television and has recently allied with Wren Sinclair and Kendal Grey.Petrovic, real-life Monika Klisara, signed with the WWE as part of the Performance Center Fall 2022 Rookie Class. She also made history by becoming the first-ever Bosnian to sign with the company. The following year, Petrovic made her debut at a live event, teaming up with Zoey Stark in a losing effort against Indi Hartwell and Lea Mitchell.On 29th October, Petrovic celebrated her 30th birthday. On social media, she sent a message and shared stunning photos of herself."Birthday’s are overrated.. everyday is about me anyways," Petrovic wrote.Check out Petrovic's post on X:In 2023, on the July 28 episode of NXT Level Up, Petrovic made her on-screen debut under her new ring name. She lost to Ivy Nile before picking up her first win on the October 17th episode of NXT, as she eliminated Jaida Parker from the 2023 NXT Women's Breakout Tournament.Last year, she was featured in a romance storyline with Ashante "Thee" Adonis and Nikkita Lyons on NXT television. Adonis eventually secured Petrovic a shot at Sol Ruca's NXT Women's North American Championship. Unfortunately for the 30-year-old star, she wasn't prepared and was unable to capture the title.Petrovic is still searching for her first championship win in the WWE. On the July 15th episode of NXT, she unsuccessfully challenged Kali Armstrong for the Evolve Women's Championship after interference from Jordynne Grace.Karmen Petrovic teased joining The Secret HerviceThe Secret Hervice is a heel faction primarily working on SmackDown, consisting of Chelsea Green, Alba Fyre, and Piper Niven. The group has also been appearing on NXT.NXT star Karmen Petrovic expressed her interest in joining the faction amid the injury to Niven. On X, she wrote:"@ImChelseaGreen we need to talk about adding a lil bit of sharpness to the secret hervice… call me 🗡️." Karmen Petrovic's next goal in WWE would definitely be to win a title.