Blu Hydrangea (born 15 February 1996) is the stage name of Joshua Cargill, a Northern Irish drag queen from Belfast who competed the first series of RuPaul's Drag Race UK in 2019, and won the of in 2022.
Outside of Drag Race, Blu Hydrangea is a make-up queen and a part of a group called the Frock Destroyers (with Baga Chipz and Divina de Campo). She also hosted the BBC web series Strictly Frocked Up, a weekly web series where she and another drag queen watch and review each episode of Strictly Come Dancing.
In January 2022, she was announced as one of the nine contestants on the of . On 8 March 2022, Blu Hydrangea was announced as the winner of the series, becoming the first Northern Irish queen to win across the franchise. In December 2023, she was announced as competing on the seventh season of the Irish version of Dancing with the Stars, premiering in January 2024, where she finished as runner-up. She broke the record of receiving the most perfect scores in any series, with 5, and the most 10s of any contestant (along with Garrihy sisters and Nina Carberry), with 18.
| 2020 | God Shave the Queens | Herself | Produced by World of Wonder |
| Strictly Frocked Up | Herself (Host) | BBC iPlayer | |
| The X Change Rate | Herself | Produced by BUILD Series | |
| Strictly Frocked Up! | Herself | Produced by BBC Three | |
| Cosmo Queens UK | Herself | Produced by Cosmopolitan UK | |
| 2021 | I Like to Watch UK | Herself | Produced by Netflix |
| 2022 | Frockumentary | Herself | WOWPresents+ Original |
| EW News Flash | Herself | Produced by Entertainment Weekly | |
| Drag Us Weekly | Herself | Produced by Us Weekly | |
| Bestie Test | Herself | With Cheryl Hole, Produced by Glamour Magazine UK | |
| Bring Back My Girls | Herself | Produced by World of Wonder | |
| 2023 | Binge Queens: UK5 | Herself (Host) | With Cheryl Hole, Produced by World of Wonder |
| 2020 | "Always" | Waze & Odyssey | |
| 2020 | "Her Majesty" | Frock Destroyers (Herself, Baga Chipz & Divina de Campo) | |
| 2021 | "My House" | Jodie Harsh |
| + ! Year ! Song ! Album | ||
| 2022 | "Champion (Ru x Blu)" |
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