Celebrity Best of 2012: The Biggest Rocks of Them All! By Jennifer Davis Jennifer Davis Twitter Jennifer Davis is a writer, editor, and content strategist living in Atlanta. She was previously the Associate Editor for InStyle, and is currently working as a Digital Content Manager at Cox Business. InStyle's editorial guidelines Published on December 6, 2012 @ 07:00PM Pin Share Tweet Email Photo: Getty Images(4); Alex Gutierrez; Corbis 2012 was quite the year for engagements! Stars everywhere seemed to be putting a ring on it – cue the Beyoncé! From Blake Lively’s 10-12 carat diamond dazzler from Ryan Reynolds, to Jessica Biel’s 18-carat gold and black rhodium plated stunner from Justin Timberlake, and Angelina Jolie’s 10-carat art deco diamond ring from Brad Pitt, this year in rings really rocked our world. Click through the gallery and take a look back at all of the biggest sparklers of the year! MORE:• Jessica Biel's Pompadour 'Do• Blake Lively and Ryan Reynolds: True Love• Brad Pitt Says Wedding Will Happen Soon