Friendly Exes! What Brought on These Former Couples’ Reunions?

Gwyneth Paltrow and Chris Martin split up three years ago, but are still on friendly terms. Along with celebrating Mother's Day, the two celebrated their daughter Apple's 13th birthday at the Museum of Ice Cream in Los Angeles.

Gwyneth posted a cute family pic and wrote, "Best Apple's birthday/Mother's Day EVER at the @museumoficecream 🍦🎂🍏@autumncomm SO FUN #goopgo #dtla.”

Katy Perry also made a trip to the new museum on the same day with her mom Mary.

Carmelo Anthony and La La Anthony, who recently split after seven years of marriage, also kept it civil while enjoying dinner with their son Kiyan. TMZ cameras caught them walking together to sushi restaurant Neta in New York. They haven't filed for divorce yet.

Mariah Carey and Nick Cannon, who have fueled reconciliation rumors recently, were also seen together, dining at Nobu in Malibu. The friendly exes were joined by their twins Monroe and Moroccan.

Orlando Bloom was not spotted with his ex-wife Miranda Kerr, but he did make a sweet shout-out to her on Mother's Day. Along with a pic of their adorable son, Flynn, he wrote, "we came across this billboard in china while he was visiting me on set he loves his mum and what's not to love- she's a wonderful mother a great friend and co parent so blessed and grateful @mirandakerr #happymothersday."