The Saturdays toast Rochelle and Marvin Humes’ baby news, celebs congratulate them on Twitter

We were squealing and jumping all over the place when Rochelle and Marvin Humes announced that they're expecting their first baby next year.

The SaturdaysThe Saturdays raised a glass to toast Rochelle and Marvin's baby news. Copyright [Frankie Sandford]And it seems that we weren't the only ones to be super excited about Rochelle and Marvin Humes' baby news - The Saturdays, and a whole host of other celebrities, were quick to congratulate the pair on Twitter.

[Related article: Rochelle and Marvin Humes announce they're having a baby]

[Related article: Rochelle and Marvin Humes' wedding photos]

Within a couple of hours of Rochelle Humes announcing that she's pregnant, Frankie Sandford tweeted a photo of The Saturdays celebrating. She, Mollie King, Vanessa White and Una Healy all raised wine glasses and pulled their best 'We're going to be aunties' faces.

Frankie tweeted the photo alongside the caption: "Toasting a glass of vino to the baby!!!! Obvs without @rochellethesats"

JLSJLS also raised a glass. Look at Marvin's little happy face. Copyright [JLS]However, The Saturdays weren't the only ones to congratulate Marvin and Rochelle on Mini Marvelle.

Cheryl Cole, who was a judge on The X Factor the year that JLS came second to Alexandra Burke, took to Twitter to say: "Congratulations @rochellethesats @jlsofficial I'm SO happy for you #SoCute."

Cheryl ColeCheryl Cole tweeted her congratulations to the pair. Copyright [Cheryl Cole]And Cheryl's Girls Aloud bandmate Nicola Roberts followed suit, tweeting: "Lovely news for Rochelle & Marvin XOXO"

Rochelle Humes' good pal Myleene Klass was quick to pass on her congrats, saying: "@rochellethesats MWAH! You're going to be such an amazing mama."

However, the well wishes didn't stop there. JLS' rival boyband The Wanted even got stuck in, saying: "A HUGE Congrats to Marvin and Rochelle on expecting their first child, you guys will make great parents!"

Aston from JLS tweeted his happiness at the news. Copyright [JLS]Then there was Alexandra Burke (who obvs knows Marvin well from The X Factor) who said: "Congrats to Marvin and Roch soooo happy for the beautiful couple !!"

Una Healy's husband, Ben Foden also passed on his congrats message, tweeting: "Congrats to  @RochelleTheSats and Marv on the big news! If its a girl then we are half way to creating a new girl band!"

Rochelle HumesRochelle and Marvin in America during the summer. Copyright [Rochelle Humes]And perhaps most importantly of all, Rochelle and Marvin's respective bandmates tweeted their excitement too.

The Saturdays' squeals came in quick succession, with Una Healy kicking off proceedings: "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"

Vanessa White followed, saying: "CONGRATS to  @RochelleTheSats  and Marv  @JLSOfficial  sooo excited to have another little one coming!! Wooooo xx"

Rochelle and Marvin HumesAren't they going to have the cutest baby? Copyright [Rochelle Humes]Then there was Frankie Sandford, who said: "@RochelleTheSats so happy you all know now! We're having another sats baby!!!! Go @RochelleTheSats @JLSOfficial marv!!! #minimarvelle"

And finally Mollie King, who said: "Couldn't be more excited and thrilled for @RochelleTheSats & Marvin!!! Ahhh can't believe this!! Who else feels The Sats Juniors forming?"

Marvin's JLS buddies also chipped in. Aston said: "Marv and roch can't be more happy for u both or should I say three now."

Rochelle Humes and Aoife BelleRochelle Humes is already auntie to Una's baby, Aoife Belle. Copyright [Rochelle Humes]Oritse was next, saying: "Marv and Roch,a mini #Marvelle is arivving!!! wow 1st in the band to be a Dad! Congrats! much love U guys! thats Real Love right there! Ori"

And JB concluded: "Yaaaaay!so happy for Marv,Roch and Baby Humes!!!was SO hard keeping that secret!!wishing them the best of luck as always #godbless jaybes x"

JLS followed in The Saturdays footsteps by downing a load of champagne in celebration of Mini Marvelle.

Oritse tweeted a snap of four empty champagne glasses, alongside the caption: "Empty glasses from a night out celebratin Marvs lil one on the way!  Ori"

Blimey, and this is only the pregnancy announcement. The excitement when Mini Marvelle ACTUALLY arrives is going to be immense.

The countdown begins...