Pop icon Britney Spears has been showing off her engagement ring following her "magical" weekend. 

The 'Till The World Ends' superstar was given the stunning piece of jewellery when her boyfriend of 2 years, Jason Trawick, popped the question on Friday, December 16 and posed for photographs at the Paris Hotel in Las Vegas on the same night. 

Writing on her official Twitter page on December 17, Spears wrote: "Still glowing! About to jump on a plane to Planet Hollywood in Vegas. Throwing a Bday Party for Jason at Chateau Night Club. So fun. Xxoo."

"Tonight was one of the most magical nights of my life. Such as amazing time with my new fiancé and our closest friends and family. #Blessed."