The outings came less than two weeks after the singer's split from backup dancer Bryan Tanaka, Us weekly.
Carey, 47, and Cannon headed to Mr Chow restaurant in Beverly Hills with their 5-year-old twins, Moroccan and Monroe, on Thursday, April 20.
On Friday, April 21, the amicable exes headed to Nobu Malibu for a private dinner without their children.
Carey and Cannon, who wed in April 2008, finalised their divorce in late 2016. She was engaged to Australian billionaire James Packer last year before her friendship with Tanaka turned romantic.
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