Tamera dressed to impress for the event, ditching her trusty beanie hats and trainers, and opted for a smart black and white ensemble that featured a geometric pattern.
Her tapered trousers were pulled in at the waist with a metallic belt and underneath the jacket, she layered a white camisole with embellishment around the neckline.
The 16-year-old star completed her look with a pair of simple white heels and tied her new black hair extensions up into a high ponytail, adding extra volume by styling huge curls through the ends.
Since leaving the competition, Tamera has had a whirlwind few months and has been growing ever closer to former X Factor hopeful Sam Callahan, who she was rumoured to be dating following their stint together in the X Factor house.
The twosome recently took a trip to Disneyland Paris and looked pretty happy as they posed for a photo at the resort in their cowboy hats.
Could sparks be flying?
However, last night (15 January) Tamera flew solo and appeared to have a great time catching up with her other X Factor pals, Rough Copy.
The R&B trio, consisting of Kazeem, Joey and Sterling, arrived at London's SUSHISAMBA restaurant for the NBA Tip-Off party kitted out in their signature all-black outfits.
Despite missing out on a place in the X Factor final, Rough Copy have been working hard in the studio on some new music recently and are constantly seen interacting with their loyal fan base, known as the Roughians, on Twitter.
Meanwhile, talented Tamera has been busy recording too and is even set to sing the national anthem at tonight's NBA game between the Atlanta Hawks and the Brooklyn Nets, which is being held at the O2 Arena.
She and Rough Copy will be on the upcoming X Factor tour this year along with fellow contestants Abi Alton, Hannah Barrett, Sam Bailey, Luke Friend and Nicholas McDonald.
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