Ellie and Caspar appeared on great terms as they were pictured smoking and drinking outside a restaurant in the upmarket area.
The singer, 37, flashed a beaming smile as she walked alongside the art dealer, 32, as they left the eatery separately after meeting for dinner.Later in the day, Ellie shared a snap attending the Championship playoff final at Wembley Stadium on Sunday to support her beloved team Leeds United.
Caspar previously revealed the singer was also a supporter of the team, posting a photo of her wearing the club’s maroon third shirt.
Their outing comes soon after Ellie documented her latest trip to Costa Rica in a flurry of Instagram snaps on Wednesday.
The British star put her fantastic figure on display as she modelled a skimpy black bikini that showcased her toned abs and peachy bottom.