She's expecting her third child, her first with partner Simon Motson, later this year.
And Myleene Klass was simply glowing as she arrived at Global studios to host her weekly Smooth Radio show in central London on Saturday morning.
The presenter, 41, proudly showed off her blossoming baby bump in a stylish monochrome polka dot dress with button detailing down the front.
Radiant: Myleene Klass was simply glowing as she arrived at Global studios to host her weekly Smooth Radio show in central London on Saturday morning
The former Hearsay singer wrapped up warm for the cooler climes, as she styled her look with a pair of black tights and suede knee-high boots.
Over her pretty dress she wore a black mac and added extra glamour by styling her glossy ombre locks in tousled curls and sporting a bold red lip.
She accessorised the ensemble with a pair of huge square shades and a black fringed bag, which she toted on her shoulder.
Proud: The presenter, 41, proudly showed off her blossoming baby bump in a stylish monochrome polka dot dress with button detailing down the front
Glam: The former Hearsay singer wrapped up warm for the cooler climes, as she styled her look with a pair of black tights and suede knee-high boots
Recently, the British beauty shared an Instagram story while she underwent what is thought to be her six-month pregnancy scan, in which she delightedly listened to her baby's heartbeat.
With her top lifted up to reveal her ever-growing bump, the presenter smiled as the doctor informed her the heartbeat sounded 'perfect' according to the ultrasound.
She captioned the snap 'Snnnnooooopppp!', which is presumably her
