Britney Spears is engaged, and she’s showing off her bling! The pop star was proposed to by her boyfriend of five years, Sam Asghari, and the two showed off her gorgeous ring on Instagram. The one of a kind, four-carat round stone is set in a platinum cathedral setting. In the band, Sam engraved his nickname for Britney: Lioness. The designer, New York jeweler Roman Malayev at Forever Diamonds spoke to Inside Edition.