I've been trying to catalog a complete list of Charli's officially released covers and remixes over the years and was wondering if there are any missing from below? A number of them appear to no longer be on streaming and/or officially available
Charli XCX Remixes
Caroline Polachek - 2023 - Welcome To My Island (George Daniel & Charli XCX Remix)
Crystal Fighters - 2013 - Wave (Charli XCX vs. TWIN IDoL Remix)
ELIO - 2021 - CHARGER (Ft. Charli XCX) (Charli XCX Rework)
Far East Movement - 2010 - Like a G6 (Ft. MNEK & Iris Gold) (Charli XCX REFIX) ~Not on Streaming~
How to Dress Well - 2012 - Cold Nites (Charli XCX Remix) ~on Super Ultra Mixtape~ ~Not on Streaming~
Jakwob - 2013 - Fade (Charli XCX vs TWIN iDoL Remix) ~Not on Streaming~
Kitten - 2013 - Cut It Out (Charli XCX vs. Twin Idol Remix) ~Not on Streaming~
Lady Gaga - 2021 - 911 (Charli XCX & A. G. Cook Remix)
Lindstrøm - 2012 - Faar-i-kaal (Charli XCX vs Twin Idol Remix)
Little Daylight - 2013 - Glitter And Gold (Charli XCX vs TWIN iDoL Remix)
Polly Scattergood - 2013 - Wanderlust (Charli XCX Remix)
Portugal. The Man - 2013 - Modern Jesus (Charli XCX Remix)
Rudimental - 2012 - Spoons (Ft. MNEK & Syron) (Charli XCX Remix) (Unmixed) ~Not on Streaming~
Smallpools - 2013 - Dreaming (Charli XCX vs. TWIN iDoL Remix)
Tommy Genesis - 2018 - 100 Bad (Ft. Charli XCX) (Charli XCX Remix)
Wolf Alice - 2017 - Don’t Delete The Kisses (Charli XCX x Post Precious Remix)
Covers Released on Streaming
Athlete - 2011 - Wires (Live) (Charli XCX Cover) (Live at Daytrotter 2012) ~Have two runtimes - 3:09 and 3:47~ ~Not on Streaming~
Barrett Strong - 2014 - Money (That's What I Want) (Charli XCX Cover) ~Bonus Track on Sucker~
Bleachers - 2015 - Rollercoaster (Charli XCX Cover)
Dee-Lite - 2013 OR 2015 - Groove Is in the Heart (Ft. Questlove & Black Thought) (Charli XCX Cover) ~Target Ad Campaign~ ~Not on Streaming~
Snuffed by the Yakuza - 2013 - Allergic to Love (Charli XCX Cover) ~Not on Streaming (still on SoundCloud)~
The Stooges - 2016 - No Fun (Charli XCX Cover) (From HBO's Vinyl)
Professionally Recorded Covers
Backstreet Boys - 2013 - I Want It That Way (AV Club Undercover Series)
Bow Wow - 2014 - I Want Candy (Transmitter Live)
Carmada - 2014 - On Fire (Ft. Carmada) (Charli XCX Cover) (Live on triple j)
Echo & The Bunnymen - 2012 - The Killing Moon (Charli XCX Cover) (Live at iTunes Festival London 2012)
Robert Palmer - 2014 - Simply Irresistible (Ft. Janelle Monáe) (Charli XCX Cover) (Live at E's Live From the Red Carpet)
Sam Smith - 2014 - Stay With Me (Charli XCX Cover) (Live at 4music)
Soft Cell - 2022 - Tainted Love (Ft. Soft Cell) (Charli XCX Cover) (Live at Doritos x Stranger Things Music Fest '86)
Spice Girls - 2017 - Wannabe (Ft. Halsey) (Charli XCX Cover) (Live at Lollapalooza)
Taylor Swift - 2014 - Shake It Off (Charli XCX Cover) (Live at BBC Live Lounge)
The 1975 - 2019 - TOOTIMETOOTIMETOOTIME (Ft. Christine and the Queens) (Charli XCX Cover) (Live at BBC Live Lounge)
Wolf Alice - 2017 - Don't Delete The Kisses (Charli XCX Cover) (Live at triple j's Like A Version)
Remixes That Include a Charli Feature
100 gecs - 2020 - ringtone (Remix) (Ft. Charli XCX, Rico Nasty, Kero Kero Bonito)
A. G. Cook - 2021 - Xcxoplex vs. Xxoplex (Remix) (Ft. Charli XCX)
Bladee/Mechatok - 2021 - Drama (Remix) (Ft. Charli XCX)
Tove Lo - 2018 - bitches (Remix) (Ft. Charli XCX, Icona Pop, Elliphant, ALMA)
Other
Aqua - Barbie Girl (Charli XCX Remix?) (Used in DJ sets, may technically be classified as an original song and not a remix/cover)
Cher - 2017 - Believe (Charli XCX Cover) (studio version produced by SOPHIE leaked, played live)
SOPHIE - 2016 - Burn Rubber (Charli XCX Cover) (played during 30 Days in LA set with SOPHIE, studio version with Charli not leaked)
The Bangles - 2020 - Eternal Flame (Charli XCX Cover) (studio version produced by A. G. Cook leaked, believed to be during CRASH Sessions)
The Bangles - Walk Like An Egyptian (Charli XCX Cover) (referenced on XCXpedia, cannot find any evidence of this)
The Clash - 2011 - Train In Vain (Ft. Viv Albertine) (Unclear of the origin of this, potentially Charli's soundcloud?)