Celebrity weddings, engagements of 2012

8 of 194: Kelly Clarkson took to her official Twitter account to make a big announcement on Saturday, December 15.

'I'M ENGAGED!!!!! I wanted y'all to know!! Happiest night of my life last night,' she wrote. 'I am so lucky and am with the greatest man ever :)'

Clarkson later posted a photo of her engagement ring, which can be viewed below, on her WhoSay page with the caption, 'Everyone has been asking about my engagement ring, so here it is :) It's a yellow canary diamond with diamonds around it and Brandon designed it with Johnathon Arndt! They did an amazing job! I can't wait to make Brandon's ring with Johnathon as well!' Clarkson, 30, has been dating Brandon Blackstock, a 35-year-old Nashville-based talent manager, since late 2011. Blackstock is the son of Clarkson's manager Narvel Blackstock, who is currently married to singer Reba McEntire, according to People magazine. Brandon Blackstock is McEntire's step-son.

(Pictured: Kelly Clarkson talks to OnTheRedCarpet.com about 'Duets' in May 2012.) (OTRC Photo)