Kiefer Sutherland performs in London at Electric Ballroom

He recently stepped out with his girlfriend of four years, Cindy Vela, 39, for the first time in public. Secret romance: He recently stepped out with his girlfriend of four years, Cindy Vela, 39, for the first time in public Rock 'n' roll: The actor, best known for his 24 character Jack Bauer, 51, looked every inch the performer as he took centre stage for his musical debut Kiefer's show comes after he was spotted with his girlfriend of four years, Cindy Vela, 39, for the first time in public as they held hands after a cosy date in Mayfair on Wednesday. Smitten: Kiefer's show comes after he was spotted with his girlfriend of four years, Cindy Vela, 39, for the first time in public as they held hands after a cosy date in Mayfair on Wednesday Loved-up: The actor, 51, proudly flaunted their now-public romance when he held hands with his stunning ladylove on their way home Sweet: They looked closer than ever as the couple were seen squeezing each other's hands on their low-key stroll around the British capital Clearly besotted with her beau, the actress has plastered her Instagram page with pictures of the duo as a couple. Doting girlfriend: Clearly besotted with her beau, the actress has plastered her Instagram page with pictures of the duo as a couple Serious: Last year, the New York Post claimed the actor had been dating Cindy 'under the radar' for a long time with the pair moving in together Tour: The newspaper's Page Six column reported at the time the It's Gawd star joined Kiefer and his band on their European tour MailOnline reached out to Kiefer Sutherland's representatives at the time. Romance: For their first public outing, Kiefer, best known for his 24 character Jack Bauer, smartened up his jeans with a blazer, unbuttoned patterned shirt and unusual necktie Stylish: Meanwhile, his girlfriend Cindy exuded elegance in her black midi dress which gave onlookers a good glimpse at her toned pins Despite the heartbreak, Kiefer went on to marry Elizabeth Winn in 1996 but he filed for divorce eight years later in 2004.