Love Island’s Lucie Donlan flashes her bum in thong as she straddles boyfriend Luke Mabbott in bed

LOVE Island’s Lucie Donlan set pulses-racing as she shared a steamy black and white photo of her straddling boyfriend Luke Mabbott in bed.

The 23-year-old stripped to her black underwear in the steamy shot which Luke, 26, shared with his 1.1million Instagram.

Instagram / Luke MabbottLucie Donlan sizzled in a new underwear photo with boyfriend Luke Mabbott[/caption] Instagram / Luke MabbottThe pair posed in their underwear earlier this week during their trip to Finland[/caption]

In the shot...