Joel Ryan Invision AP PA

The couple posed with each other on the red carpet prior to the ceremony at London's O2, where both The Voice UK and This Morning - of which the stars have been involved - are nominated.

***CLICK HERE TO SEE THE LATEST PICTURES FROM THE 2015 NATIONAL TELEVISION AWARDS***

The Saturdays' stunner Rochelle, 25, opted for maximum glamour in the form of show-stopping red gown, complete with dramatic, and equally, plunging neckline.

The long number came complete with train and fishtail design, which made the most of the mother-of-one's enviably slim figure.

The TV star polished off her attire with a chunky silver necklace and neat up 'do, while ex-JLS crooner Marvin, 29, stuck to a black tie and coordinated suit.

Daniel Deme WENN

Joel Ryan Invision AP

No doubt the pair are hoping that the ITV1 show, which they have previously co-hosted together, will pick up the award for best daytime programme.

Meanwhile singing contest The Voice, which Marvin also presents, is up for best talent show against Britain's Got Talent, Strictly Come Dancing and The X Factor.

Continue reading here:

Rochelle Humes turns heads in show-stopping red gown at the NTAs with husband Marvin