[2] Phillips was recognized for her work on the Broadway musical Hedwig and the Angry Inch, starring Neil Patrick Harris, earning her a Tony award nomination for Best Costume Design.
She has been nominated for the Academy Award for Best Costume Design three times, for James Mangold's Walk the Line (2005), Madonna's directorial debut, W.E.
Phillips has also received a three BAFTA Award nominations for Tom Ford’s A Single Man (2009), Quentin Tarantino's Once Upon a Time in Hollywood, and James Mangold's A Complete Unknown.
[citation needed] Her film career also includes Tom Ford's Nocturnal Animals (2016), Matthew Vaughn’s Kingsman: The Secret Service (2014) and Kingsman: The Golden Circle (2017), James Mangold’s Girl, Interrupted (1999) and 3:10 to Yuma (2007), John Cameron Mitchell’s Hedwig And the Angry Inch (2001), Mark Romanek’s One Hour Photo (2002), and Milos Forman’s The People Vs. Larry Flynt (1996).
Her friend Alessandro Michele Creative Director of GUCCI commissioned her to create content for a special issue of A Magazine he guest edited and to style a brand film directed by Gia Coppola.