PHOTOS: Best celebrity engagement rings An insider tells Us Weekly Arquette had "planned it for a while" and has "known he wanted to marry Christina for a long time." In fact, the proposal just happened to fall near ex Cox's engagement.
"David was just waiting for the right time," another source tells Us, "He and Courteney both talked about taking the next step in their relationships …
David Arquette and Christina Mc Larty are expecting a baby! Dating History: Arquette and Mc Larty began dating in the summer of 2011. She Loves Her Job: Mc Larty loves to share photos of all the A-list celebs she interviews as a correspondent for .
Courteney has never commented on whether she was romantically involved with the handsome actor or not, so her ex-husband offering an update on what went down with Brian will most likely irk her.
They both want what's best for each other." PHOTOS: David and Courteney's romance Arquette and Mc Larty have been dating on and off since 2011, briefly splitting in 2012.
Arquette and Cox split in 2010, after nearly 11 years of marriage.
The actor popped the question to his girlfriend Christina Mc Larty in Malibu on July 2, Arquette's rep confirms to Us Weekly.
PHOTOS: Engagements of the year The news comes just days after Arquette's ex-wife Courteney Cox announced her engagement to Snow Patrol rocker Johnny Mc Daid on June 26.