- Photo: AP1/WENN1 of 10
- Photo: Don MacCarthy/London Ent/Splash News2 of 10
- Photo: Jesse Grant/WireImage.com3 of 10
- Photo: John Shearer/WireImage.com4 of 10
- Photo: WENN5 of 10
- Photo: Gary Gershoff/WireImage.com6 of 10
- Photo: Jason Merritt/Getty Images North America7 of 10
- Photo: MOE/Fame Pictures8 of 10
- Photo: Alexandra Wyman/WireImage.com9 of 10
More Celeb News
- Ratings: ABC Wins With NBA Finals, 'Voice' Finale Steady With Spring, Down From FaMSNEntertainment 6/19/2013 9:05:37 AM
- Rachel Maddow Calls Journalist Michael Hastings 'Angry,' 'Loving,&apoMSNEntertainment 6/19/2013 8:34:17 AM
- Jimmy Kimmel Wants 'To Channing All Over Your Tatum,' Whatever That Means (Video)MSNEntertainment 6/19/2013 8:22:52 AM
- Broadway Box Office Up 6% After Tony AwardsMSNEntertainment 6/19/2013 8:06:36 AM
- 'Daily Show': John Oliver, Mick Foley Join WWE's Shockingly Articulate ImMSNEntertainment 6/19/2013 7:23:38 AM
- Ratings: ABC Wins With NBA Finals, 'Voice' Finale Steady With Spring, Down From Fa
RELATED: Trend Report: Bridesmaid Dresses
"He surprised her with a quick trip to Cabo [San Lucas] to ask her to marry him," a source tells the magazine.
Jay reportedly popped the question with the help of "a very big diamond," according to GossipCop, which has also confirmed the happy news.
The former "The Hills" and "Laguna Beach" star started dating Jay last fall. Earlier this year, she gushed to People, "I'm in love, and it's been great."
Cavallari's rep has not yet made an official comment.
Related stories on ETonline.com: Season 12's 'Dancing with the Stars' Scoreboard
From Videos of Wonderwall
From Crowd Ignite