updated 07/10/2007 AT 4:00 PM ET
•originally published 07/10/2007 AT 4:40 PM ET
After more than a year of dating, Charlie Sheen and girlfriend Brooke Mueller are engaged, PEOPLE confirms.
Sheen, 41, first stepped out with Mueller, 29, a real estate investor, at the Chrysalis Butterfly Ball in Los Angeles in June 2006.
The couple’s engagement was first reported by Extra and was confirmed by a Sheen family friend. According to Extra, Sheen proposed to Mueller on a Costa Rican beach with a $500,000 engagement ring.
Richards, 36, has extended an olive branch to Mueller and the women were recently spotted together.
“Denise wants her to feel comfortable,” a Richards pal told PEOPLE last year. “She put together a bag with toys for her and the girls (Lola and Sam) along with a card telling her she’s glad (Brooke) makes their father so happy.”