Leave it to #LilyAllen to give us one of the best musical numbers of the #SNL season so far! #DakotaJohnson made a surprise appearance during the singer's performance of 'Madeline' on #SaturdayNightLive last night, with the pair sharing a sweet hug at the end of the song. ✨ Read more at the link in our bio. | 📷: Saturday Night Live/YouTube