Alexandra Leah Tamposi (born November 17, 1989) is an American songwriter from West Palm Beach, Florida. She is best known for co-writing Kelly Clarkson's "Stronger (What Doesn't Kill You)," 5 Seconds of Summer's "Youngblood", DJ Snake's "Let Me Love You" (featuring Justin Bieber), Camila Cabello’s "Havana" (featuring Young Thug), and Cabello's "Señorita" with Shawn Mendes.
Tamposi appeared on the final season of The X Factor as vocal coach and mentor to Simon Cowell's team, working alongside groups Restless Road, Sweet Suspense, and winners Alex & Sierra. She worked closely with Alex & Sierra on their debut album, writing four songs with the duo. In 2019, she won BMI Pop Songwriter of The Year.
She was featured on the Cedric Gervais single "Love Again".
She is the granddaughter of real estate developer Samuel A. Tamposi of New Hampshire and Florida. He was one of three sons of Aromanian immigrants from Avdella, Greece.
Songwriting discography Year Artist(s) Song Album 2008 Beyoncé "Save the Hero" I Am... Sasha Fierce 2010 Crystal Bowersox "Lonely Won't Come Around" Farmer's Daughter 2011 Kelly Clarkson "Stronger (What Doesn't Kill You)" Stronger2012 Cher Lloyd "Riot!" Sticks & Stones (U.S. Edition) Christina Aguilera "Around the World" Lotus "Empty Words" 2013 Demi Lovato "Never Been Hurt" Demi Quadron "Hey Love" Avalanche Ciara "Overdose" Ciara Rozzi Crane "Crazy Ass Bitch (Remix)" (featuring Kendrick Lamar) 2014Lea Michele"On My Way"LouderCedric Gervais"Love Again" (featuring Ali Tamposi)One Direction "Where Do Broken Hearts Go"Four 2015 Ciara "One Woman Army"Jackie Rozzi Crane "Crazy Ass Bitch" Space EP Wrabel "I Want You" Bea Miller "This Is Not an Apology" Not an ApologyMax Frost"Let Me Down Easy"Intoxication EPKatharine McPhee"Stranger Than Fiction"Hysteria Nickelback "She Keeps Me Up" No Fixed Address2016Brooke Candy"Happy Days" Against the Current"In Our Bones"In Our BonesVic Mensa"16 Shots"There's Alot Going On DJ Snake "Let Me Love You" (featuring Justin Bieber) Encore 2017 Kygo and Selena Gomez "It Ain't Me" RareBetty Who"Wanna Be"The Valley Lea Michele "Run to You" Places "Getaway Car" "Hey You"Nickelback "After the Rain"Feed the MachineCamila Cabello "Havana" (featuring Young Thug)Camila Avicii "Lonely Together" (featuring Rita Ora) Avīci (01) Bebe Rexha "Comfortable" (featuring Kranium) All Your Fault: Pt. 2 Hailee Steinfeld and Alesso "Let Me Go" (featuring Florida Georgia Line and watt) Rita Ora "Anywhere" Phoenix Selena Gomez and Marshmello "Wolves" Rare Little Mix "Dear Lover" Glory Days (Platinum Edition) 2018Liam Payne and Rita Ora "For You"Fifty Shades Freed Cardi B "Thru Your Phone" Invasion of Privacy5 Seconds of Summer"Youngblood"Youngblood BTS "Airplane Pt. 2" Love Yourself: Tear 5 Seconds of Summer"Lie to Me"Youngblood"Better Man"BTS"Idol"Love Yourself: Answer 2019John the Blind"Hallelujah"5 Seconds of Summer"Easier"CalmThe Chainsmokers & Bebe Rexha"Call You Mine"World War JoyShawn Mendes and Camila Cabello"Señorita"Shawn Mendes and RomanceCharli XCX"White Mercedes"CharliCharlotte Lawrence"Navy Blue"rowspan="3" Gryffin & Carly Rae Jepsen"OMG"Louis the Child"Too Close" (featuring Wrabel)5 Seconds of Summer"Teeth"13 Reasons Why: Season 3 OST and CalmCamila Cabello"Shameless"Romance"Liar"Ozzy Osbourne"Under the Graveyard"Ordinary ManBlink-182"I Really Wish I Hated You"NineJake Bugg"Kiss Like the Sun"Camila Cabello"Living Proof"Romance 2020Louis Tomlinson"Always You"WallsOzzy Osbourne"All My Life"Ordinary Man"Goodbye""Eat Me""Today Is the End""It's a Raid" (featuring Post Malone)"Scary Little Green Men""Holy for Tonight"Dua Lipa"Break My Heart"Future Nostalgia5 Seconds of Summer"Old Me"Calm"No Shame""Best Years""Not in the Same Way""Lover of Mine""Thin White Lies""High"Jonas Brothers"X" (featuring Karol G)rowspan="3" James Blake "Are You Even Real?"Kiiara "I Still Do"Charlotte Lawrence"Slow Motion"CharlotteSam Smith"Just Kids"Love GoesAlesso & Charlotte Lawrence"The End"rowspan="2" John Legend & Faouzia"Minefields"Miley Cyrus"Midnight Sky"Plastic Hearts"WTF Do I Know""Plastic Hearts""Angels like You""Prisoner" (featuring Dua Lipa)"Gimme What I Want""Night Crawling" (featuring Billy Idol)"Hate Me""Midnight Sky Remix (Edge of Midnight)" (featuring Stevie Nicks) 2021 Sophia Messa "Not That Kind of Love"Liza Owen"Josie" (featuring Jimmie Allen)Songs from Monte Nido"Starry Eyed"Justin Bieber"Hold On"Justice"Deserve You""Die for You" (featuring Dominic Fike)"I Can't Be Myself" (featuring Jaden Smith)"Hailey"Wrabel"Good"These Words Are All for YouJohn Legend"Crowd Go Crazy"Space Jam: A New LegacyJake Bugg"About Last Night"Saturday Night, Sunday MorningOneRepublic"Forgot About You"HumanJames Blake "Foot Forward"Friends That Break Your Heart "Lost Angel Nights" 2022 Ozzy Osbourne"Patient Number 9" Patient Number 9"Immortal""Parasite""No Escape from Now""One of Those Days""A Thousand Shades""Mr. Darkness""Nothing Feels Right""Evil Shuffle""Dead and Gone""God Only Knows"Tate McRae"You're So Cool"I Used to Think I Could Fly"Uh Oh"Non-album single 2023 Charlotte Lawrence "Boys Like You" 2025 Lisa "Chill" Alter Ego "Dream" Le Sserafim "Hot" HotRenee Rapp"Mad"Bite Me"Why Is She Still Here?"Sometimes""Kiss It Kiss It""Good Girl""I Can't Have You Around Me Anymore""Shy""At Least I'm Hot""I Think I like You Better when You're Gone""That's So Funny""You'd Like That Wouldn't You" Maroon 5 "Priceless" Love Is LikeKatseye"Gabriela"Beautiful Chaos
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