Emma Bunton shared a throwback photo from her Spice Girls days to mark Mel B's birthday.
The singer, formerly known as Baby Spice, posted a snap on Instagram of herself and Mel, with Emma in her trademark towering platforms and Scary Spice in her old combat gear.
She wrote: "Wow!!!! How the hell did I walk in these let alone dance?!?!?!?"
Earlier, Emma tweeted a picture of her and Mel apparently out celebrating the singer's 41st birthday.
Mel also shared a birthday note she had received from Emma and their bandmate Geri Halliwell.
She wrote: "My spice bitches forever@emmaleebunton @therealgerihalliwelland ever and ever #bestfriendsforlife."