5 Seconds of Summer Wiki


Sierra Deaton is an American singer who became famous as half of the pop group Alex & Sierra after winning the final season of The X-Factor in 2013.

She was born on February 11, 1991, in Philadelphia, PA, the United States of America. She was born to father Dr. John Deaton and mother Vu Deston. She has a sister named Lara Deaton. Her father was British and her mother was a Vietnamese. Sierra holds American citizenship but ethnicity is a mix of Caucasian and Asian.

She attended the Lake  Howell High School and then joined the University of Central Florida located in Florida and graduated from there.

Sierra with Ashton

She began her career as a singer after participating in The X-Factor along with her then-boyfriend Alex Kinsey in 2013. The couple gave their auditions and got selected. They sang famous songs like You’re The One That I Want and won the heart of their judges. Their performance gained more and more support and became internationally recognized. They performed a cover of Best Song Ever in front of One Direction on the X-Factor when the group visited as guests. They made their way to the final round and they sang three songs ‘Give me Love’, ‘Say Something’ and ‘Bleeding Love’ with Leona Lewis. Then after singing ‘All I Want For Christmas Is You‘, the pair have announced the winners of the season 3 on December 19, 2013.

Alex and Sierra win the X-Factor!

Sierra, the beauty queen

After the finale, the pair released their first single ‘Scarecrow’ and then other singles like  ‘Just Kid’, ‘Bumper Cars’, and ‘Here We Go’. Moreover, they also released their extended play on September 30, 2016. Harry Styles wrote a song for their album called I Love You. Both, Sierra and Alex both are still doing very well in their career after their separation as well.

Sierra and Luke in love😍

In 2018, Sierra began dating Luke Hemmings after her breakup with Alex. They have been seen on many dates since and she went on the Meet You There Tour with 5sos. The two frequently tag each other on social media. Sierra is also a very good friend to Ashton Irwin and he introduced her to Luke. She also wrote Lover of Mine with Luke in their living room and provided backing vocals for the C A L M song. Sierra filmed Luke's portion of the Wildflower music video. The happy couple got engaged early 2021. We are all very happy and proud of them both.