Biggest rocks of 2012

While celebrating her birthday in Mexico earlier this summer, Modern Family's sauciest housewife said yes to businessman boyfriend Nick Loeb, who proposed with a 7-carat square cushion-cut diamond ring flanked by a diamond on either side. We think Gloria would approve!

Bing: Sofia Vergara engagement

Agent and talent manager Jason Trawick popped the question on his 40th birthday with a 4-carat round white diamond ring featuring 90 small round diamonds along the band, a design by celebrity jeweler Neil Lane. "Jason is a romantic and when I asked him to tell me about Britney and what the ring would represent to them so I could find inspiration, his response was always the same—she is his princess!” Lane told People. Hence the tiara-style setting and crown-like band!

Bing: Britney Spears engagement to Jason Trawick

Chad Kroegerput a ring on it...a very bigring on it! The Nickelback frontman proposed to pop rocker Avril Lavigne last August with a 14-carat, pear-shaped rock flanked by two half-moon-shaped diamonds. The singers met while Kroeger was working with Lavigne on her still-unnamed fifth album.

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Brad Pitt proposed to longtime partner Angelina Jolie in April with a rectangular diamond ring estimated to be more than 10 carats and worth over $1 million, People reports. "He wanted every aspect of it to be perfect, so [I] was able to locate a diamond of the finest quality and cut it to an exact custom size and shape to suite Angelina’s hand," said Beverly Hills jeweler Robert Procop, who designed the ring exclusively with Pitt.

Bing: Angelina Jolie and Brad Pitt wedding

Adam Shulmanpopped the question with an emerald-cut ring set on a thin diamond-studded band, designed in part by Kwiat jewelers. The Les Miserables star and her love of four years made it official during a ceremony in Big Sur, California in September.

Video: Wedding gowns fit for a princess

Olivier Martinezpopped the question with an emerald and diamond ring, which Berry was first spotted wearing in January. The bling was designed by Robert Mazlo of Paris, whom Martinez called "a real artist" who has been making jewelry for "kings and queens for many centuries."

Bing: Halle Berry engagement 2012

Art consultant Will Kopelman proposed to the 36-year-old actress late last year with a radiant-cut ring, which features smaller diamonds set in the band, designed by Graff Diamonds.

Bing: Drew Barrymore daughter - Olive

Justin Timberlakeproposed to Jessica Biel while vacationing in Montana with an 18-carat white gold and black rhodium plated ring. "I had no say whatsoever. I don't micromanage," Biel told InStyle. "He is fearless in his choices and has a real eye for design. And I'll be honest: He has better taste than I do." The setting also featured two aquamarines on either side, Biel's birthstone.

Video: Biel calls marriage "incredible"

It's a (wedding) party in the USA! Australian actor Liam Hemsworth, who met 20-year-old Miley Cyrus when they costarred in The Last Song in 2009, popped the question last May with a 3.5-carat diamond ring from jeweler Neil Lane.

Video: Miley Cyrus - Bridezilla planning 3 weddings