According to Huffington Post, Christina Aguilera has begun her first tour in 10 years. The singer kicked off her tour with a romantic surprise for her audience. During the opening night of her Liberation Tour in Hollywood, Florida, Aguilera invited two fans, Mike Kontomanolis and Ben Lear, onstage in between songs. After a short introduction, Lear dropped to one knee and revealed an engagement ring for his boyfriend. The couple is now engaged, thanks to the help of their favorite pop-diva.