Aston Joshua (born 11 February 1993), better known by the stage name Asttina Mandella, is a British drag queen and dancer from East London.^[1] She is best known for competing on the second series of RuPaul's Drag Race UK, where she came eleventh on the series.^[2]

Mandella has been a drag queen since 2012, but before 2020 she was mostly known for being a dancer. Asttina is trained in ballet, tap dance, jazz, voguing, hip-hop dance, waacking and street dance.^[3] She has also performed as a backup dancer alongside prestigious performers such as: Hercules & Love Affair, The Pussycat Dolls, Little Mix and Kanye West.^[3] Her drag name derives from a hybrid of her birth name, American singer Tina Turner and former President of South Africa and philanthropist Nelson Mandela.^[4] In December 2020, Asttina was announced as one of twelve contestants competing on the second series of RuPaul's Drag Race UK, and placed eleventh overall in the competition.^[2] Mandella was the eleventh contestant to enter the Werk Room and penned the now synonymous catchphrase 'Rude!",^[5] and also won the first episode of the series,^[6] and performed well in episode two, however shortly after in episode three she placed in the bottom, and was eliminated in a lip sync challenge against contestant Tia Kofi to the song "Don't Start Now" by Dua Lipa.^[7] In February 2022 Asttina will embark on RuPaul's Drag Race UK: The Official Tour alongside the entire cast of the second series of RuPaul's Drag Race UK, in association with World of Wonder and promoter Voss Events.^[8] In August 2021, she will be a featured performer in Klub Kids London Presents: NOIR: The Tour, where 25% of the proceeds from the production will be donated to the Black Lives Matter movement.^[9]

Mandella currently resides in East London. ^{[citation needed]} She also drew media attention when discussing the representation of Black Queer icons within the United Kingdom, alongside fellow contestant Tayce, as it was a conversation that "opened up to so many people" according to Digital Spy.^[5]