Ryan Reynolds made a laughing matter out of his and Blake Lively's nasty legal battle with Justin Baldoni at 'SNL 50' Sunday night ... appearing briefly in a bit as Tina Fey and Amy Poehler surveyed ...

Blake Lively and Ryan Reynolds were the hot topic of conversation among guests at 'Saturday Night Live's 50th-anniversary show and after-party — and it all had to do with the couple's ongoing legal ...