The Made in Chelsea star flaunted her toned physique in a strapless black frock and narrowly avoided a wardrobe malfunction with her revealing thigh-high split.
The fiancé of Professor Green – who was noticeably absent at the British Academy Television Awards – styled her dress with strappy black heels and metallic accessories.
Millie’s make-up looked flawless on the red carpet, with smokey eyes and nude lips completing her stunning beauty look.
The 23-year old reality star opted to tie her blond locks into a half-up, half-down style which showcased the glamorous gold detail on the frock.
But the London-based make-up artist wasn’t the only celeb to rock the metallic black dress trend last night.
MTV News host Laura smouldered in a black gown with gold striped detailing and an Art Deco style box clutch.
The Irish-born host, 27, posed up a storm on the red-carpet as she showed off her blonde locks and pretty beauty look.
Take Me Out: The Gossip presenter Zoe similarly wore her black Sophia Kah dress with metallic accessories, adding a splash of red lipstick to brighten up her look.
Strictly Come Dancing host Tess Daly appeared to take influence from the Great Gatsby with her choice of outfit last night.
The mum-of-two made a fashion faux pas in her see-through frock with bell sleeves and fringed bag – although her stunning, retro Hollywood-style beauty look made up for it.
Who’s your best dressed from the TV BAFTAs? Let us know over on Twitter now.
[Related: BAFTA Television Awards: Red carpet fashion]