The married former Love Island contestants were inseparable as they gazed into one another's eyes while each wearing stylish ensembles.
Olivia, 27, put her best fashion foot forward in a floral blue-and-orange crop-top which she teamed up with a matching miniskirt.
Cute: Alex and Olivia Bowen put on a loved-up display as they led the star-studded arrivals at BBC Radio 1's Out Out concert at London's Wembley Arena on Saturday
Fashion forward: The former Love Islanders looked ever-united while each donning a very trendy ensemble
Slipping into a charcoal denim jacket, she added to her look with a pair of lace-up shin-high onyx leather boots while her husband, 30, wore an all-black T-shirt and trouser outfit.
He completed his look with a grey bomber jacket and white-soled trainers.
Following soon afterwards was headline singer Griff, who looked sensational in a metallic blue crop top and an eye-popping red midi skirt.
Hot stuff: Olivia, 27, (left) put her best fashion foot forward in a floral blue-and-orange crop-top which she teamed up with a matching miniskirt. Following soon afterwards was headlining singer Griff (right), who looked sensational in a metallic blue crop top and an eye-popping red midi skirt
Beaming: Performer AJ Tracey cut a low-key outfit with a paint-splattered pair of faded grey jeans, which he coordinated with a Dior puffer jacket
Trendy: Fellow hip-hop artist KSI tied his brown dreadlocks up with