Beyoncé Knowles-Carterlaunched her fourth"Cowboy Carter" concert in London, and during the show she took a moment to mark a very special occasion: her twins' birthday. The Grammy-winning singer kicked off her June 12 show atTottenham Hotspur Stadiumon Thursday. The show marked her fourth of six shows at the stadium on herCowboy Carter and the Rodeo Chitlin' Circuit Tour.Beyoncéhe is set to hit the Tottenham Stadium stage again June 14 and 16, before heading to Paris for three nights. Each night Beyoncé's "Protector" performance has been a highlight of the show as fans anticipate the sweet moment when the singer isjoined by her 7-year-old daughter Rumi Carterand her sister,Blue Ivy Carter. This time, the moment became even more special as Beyoncé paused and wished her twins a happy birthday and prompted the crowd to join in. "Everybody say happy birthday, Rumi," she said, as fans echoed her words. "Say happy birthday, Sir! Mommy loves you," Beyoncé added as the crowd continued to cheer. Beyoncé wishing Happy Birthday to Rumi and Sir! 🥰pic.twitter.com/Zah5BCBpXr — Beyoncé Press. (@beyoncepress)June 12, 2025 Beyoncé and Jay-Z's twins, Rumi and Sir Carter, turn 8 on June 13. However, Beyoncé's next show is scheduled for June 14, making Thursday's show the perfect day to celebrate. Later in the show she also took a moment to acknowldge all the birthdays in the house. She gave a shoutout out to "all the Geminis," saying, "I'm happy y'all are celebrating with us tonight." As fans know,Beyoncéfirstdebuted her "Cowboy Carter" tourat SoFi Stadium in Los Angeles on April 28 with39 songs on the set list. Her shows have been filled with family,fashion, different music genres, and most notably country music and cultural commentary.The nine-city tour will span the U.S. and Europe with the grand finaletaking place in Las Vegason July 26. Follow Caché McClay, the USA TODAY Network's Beyoncé Knowles-Carter reporter, onInstagram,TikTokandXas @cachemcclay. This article originally appeared on Nashville Tennessean:Beyoncé celebrates her twins' birthday during fourth show in London