Una Healy announced today that she is expecting a baby together with her rugby player boyfriend, Ben Foden, which she has referred to as "baby BenUna".

The Saturdays starlet took to her official Twitter page this afternoon (September 16) to confirm that she will definitely perform at the group's live shows this December when they go on tour. She wrote:

"Yes the news is true! @ben_foden and I are expecting a baby BenUna! We are both very excited xx. I am overwhelmed by all of your wonderfully positive and kind well wishes. Thank you all soooo much. So much love xxx"

"And just to reassure all Saturdays fans its all systems go and I will be remaining fully committed to the band and our Tour in December x"

"How lucky will the little baby be with 4 gorgeous Aunties @FrankieTheSats @MollieTheSats @RochelleTheSats @vanessawhite see you soon xxx"

Check out The Saturdays' recent live performance of 'Notorious' on The Graham Norton Show: