The Britain s Got Talent judge, 51, took to Instagram to share a slew of snaps from the celebration at the mogul s home, joking they were channelling prison chic in a matching outfits.
Share
It appears the pair have put aside whatever bad blood existed when Cibrian cheated on then-wife Glanville with Rimes while they worked on the Lifetime film Northern Lights, leading to Glanville and Cibrian s 2010 divorce after nine years of marriage.
Cibrian and Rimes tied the knot in April of 2011, and Rimes had clashed with Glanville in the years since.
Fun day: Brandi posed with her sons Mason (above) and Jake on the holiday
The Grammy-winning entertainer also shared a shot of herself cuddled up to Cibrian, writing I [love] you..
Glanville, speaking with Glamour magazine in 2013 about the split, said she had never found LeAnn to be remorseful for the chain of events.