Dancing to the Diana Ross smash 'I'm Coming Out' on TikTok, Nikki's clearly living her best life in the video which already has more than 40,000 views.
She even took to Instagram to double up, throwing subtlety out the window with a rainbow-coloured post to announce it to the world.
Of course Nikki's best-known for playing Tracy Turnblad, but she's also been seen on shows such as 'Ugly Betty' and 'Smash', and in films like 'Queen Sized', 'Waiting For Forever' and 'Geography Club'.
You can't stop the pride!
What do you do in your day-to-day life?I work in retail at Lovisa, I’ve ranged from a casual all the way up to assistant manager, but now I’m settled part-time. Besides that, I’m always planning performances for the future, and also supporting my fellow performers. And eating. Ooft!Read more: