The actress joined some of her Emmerdale co-stars for the annual ceremony held at Hilton Park Lane on Monday (7 September).
Showing off her shorter, tousled locks at the bash, mum-of-one Sammy oozed sophistication in a long-sleeved high neck dress.
Teaming her dress with black heels, the 29-year-old flaunted her pins and vamped up her look with a slick of red lipstick.
Sammy bowed out of the soap in February after playing Katie Sugden for 13 years. Katie died following a dramatic showdown with brother-in-law Robert Sugden, after he threw her across some unsafe floorboards at Wylie's Farm.
Sammy said on This Morning in June: "I was a bit unsure at first as to what was to happen to the character, but now I'm happy she's been killed off, because I'm not ever looking over my shoulder, wondering 'what if', with the option to go back."
Life has still been hectic for Sammy, despite leaving the primetime soap. This summer she was filming for the second series of ITV drama Prey, in which she plays a heavily pregnant woman whose father tries to rescue her from danger.
She has also penned a children's historical book, Princess Phoebe Meets The Tudors, which was actually inspired by her nine-year-old daughter, Mia.
Try Reveal's digital edition on iPhone & iPad. Subscribe now & never miss an issue!