American singer Britney Spear has shared several sizzling hot nude photos from her tropical getaway with fiancé Sam Asghari on Instagram. Wearing nothing other than a pendant necklace, Spears strategically covered her privates with diamond emojis. She captioned the photos with a series of her favorite emoji: the rose, a seeming nod to the mysterious “Project Rose” she has been teasing via social media for nearly two years. The singer was spotted in her follow-up post walking topless on the beach. Spears began dating Asghari in 2016 after he played her love interest in the music video for “Slum…