Marvin And Rochelle Expecting First Child
Marv, 27, wrote: "Rochelle and I are SOOOOO excited to tell everyone that we are expecting our first baby!!! Its absolutely amazing!
"Baby is due middle of next year and all is great!!
"We want to say thank you to everyone for their love and support..it means so much to us!! We are over the moon!"
And Rochelle, 23, added: "We've always dreamt of being parents and the news is the best early Christmas present we could have asked for.
"I know Marvin is going to be a great dad and we're so excited to start a family."
And their bandmates were quick to congratulate them, along with members of the public.
Rochelle's Saturdays bandmate Una Healey, who herself became a mum this year, tweeted: "So happy to be able to share the amazing news @RochelleTheSats and Marvin @JLSOfficial are expecting a baby!
"Mini sat number 2 on the way X"
And Aston Merrygold of JLS wrote: "Marv and roch can't be more happy for u both or should I say three now.
"Love you both (all three i mean gotta get used to that now)."