“The Voice” coach, 33, announced the news on Twitter, writing, “He asked and I said…” and showing off her gorgeous sparkler.
He asked and I said…… pic.twitter.com/XWZVZOjDX1— Christina Aguilera (@xtina) February 15, 2014
"They're very much in love and are really excited to take this next step!" a source close to the pair told People.com.
Aguilera has been dating Rutler, a film producer, since 2010. She has a son, Max, 5, from her first marriage to Jordan Bratman.