Slade was the costume designer for the UK production of
In the Heights in 2014. The show opened at the
Southwark Playhouse to then transfer to the
Kings Cross Theatre. In 2015 she was costume designer for the Edinburgh premiere production of
Love Birds.
Six In 2017 Slade collaborated with
Toby Marlow and
Lucy Moss on the show
Six, when it was first launched at the
Edinburgh Fringe Festival. She has been part of the show since, receiving several nominations and awards for her work, both in the UK and US. The costumes for the musical are meant to be a mix between pop and Tudor, with each queen being inspired by a pop artist: Catherine of Aragon by
Beyoncé, Anne Boleyn by
Miley Cyrus, Jane Seymour by a mix of
Adele and
Sia, Anne of Cleves by a mix of
Nicki Minaj and
Rihanna, Catherine Howard by
Ariana Grande and Catherine Parr by
Alicia Keys. Each queen is also represented by a specific color, with, for example, Anne Boleyn being green, as a reference to the "green sleeves" she is often associated with. Slade also designed the costumes for the UK, US and Australian Tours of the show. She designed the costumes for the
Spice World Arena tour in 2019. Her costume for Catherine of Aragon is now in the
Victoria and Albert Museum’s collection of Theatre and Performance, and could be seen as part of the Re:Imagining Musicals display until November 2023.
Later work In 2021 Slade become the costume designer for the musical
Bedknobs and Broomsticks which had a full UK tour run. In the same year she was nominated for a WhatsOnStage Award and Broadway World Award for Best Costume Design for her work on the show. Slade was part of the creative team for the 2023 UK transfer of
The Cher Show, with
Arlene Phillips as director and
Oti Mabuse as choreographer. In creating the costumes for the show Slade said to have been inspired by
Bob Mackie's iconic looks for
Cher, as well as some modern pop icons, like
Lady Gaga and
J-Lo The show presents Cher in three different eras and the role is divided between three actresses: in the UK version
Millie O’Connell played Babe,
Danielle Steers played Lady and
Debbie Kurup played Star
. Slade won the
WhatsOnStage Award for Best Costume Design in 2023, for her work on the show. In 2025 Slade created the costumes for
Andrew Lloyd Webber's
Starlight Express, running at the Troubadour Theatre in
Wembley, leading her to winning the 2025
Olivier Award for
Best Costume Design. == Honors and awards ==