Pop star Sabrina Carpenter playfully "arrested" guests Salma Hayek and Emma Bunton at her London concert.

Pop singer Sabrina Carpenter performed at London's O2 Arena, where she playfully "arrested" celebrity guests Salma Hayek and Emma Bunton (Baby Spice) with pink handcuffs during her song "Juno." Janet Jackson also attended one of the shows. Carpenter covered the U.K. hit "Come On Eileen" on Sunday and expressed gratitude to her fans for making her album number one in the UK.