Ciara is the latest celebrity to get engaged! The singer announced her big news on Twitter over the weekend before stepping out with her giant bauble days later. Not far behind her is Kim Kardashian, who was proposed to with a 15-carat ring by boyfriend Kanye West last week. If you can't get enough of the engagement ring bliss, there are plenty of celebrity gems out there to ogle. Check out all the famous engagement rings, from Drew Barrymore's oval rock to Reese Witherspoon's cool cut and more. Some of the relationships have come and gone, but ring photos are here to stay. Click through to see over 100 of the precious gems!