Born Name
Sierra Phuong-Thao Deaton
Nick Name
Sierra
Sun Sign
Aquarius
Born Place
Philadelphia, Pennsylvania, United States
Nationality
Education
Deaton went to Lake Howell High School and The University of Central Florida in Florida, USA.
Occupation
Singer
Family
- Father – Dr. John Deaton
- Mother – Vu Deaton
- Siblings – Lara Deaton (Older Sister)
Manager
She is signed to Creative Artists Agency (CAA).
Genre
Pop, pop/funk, indie pop
Instruments
Vocals, percussion, piano
Labels
Syco, Columbia Records
Build
Slim
Height
She may be 5 ft 3 in or 160 cm
Weight
56 kg or 123.5 pounds
Boyfriend / Spouse
Sierra Deaton dated –
- Alex Kinsey (2011-2016) – Alex Kinsey and Sierra knows each other since high school but never dated at that time. The duo started dating in 2011. They appeared together at The X Factor USA in 2013. They also planned to marry each other. But, the dup split in 2016.
- Luke Hemmings (2017-Present) – 5SOS’s Luke Hemmings started dating Sierra in August 2017 after splitting from Instagram star Arzaylea.

Race / Ethnicity
Mixed
She has English ancestry on her father’s side while she has Vietnamese ancestry on her mom’s side.
Hair Color
Dark Brown
Eye Color
Dark Brown
Sexual Orientation
Straight
Distinctive Features
Smiling face
Measurements
34-26-34 in or 87-66-87 cm
Dress Size
8 (US) or 38 (EU)
Bra Size
32B
Shoe Size
She may be wearing a shoe of size 6 (US)
Best Known For
Winning season 3 of The X Factor USA.
First Album
As a part of the duo Alex & Sierra, Deaton launched the first album entitled It’s About Us on October 7, 2014 under Columbia Records / Sony Music Entertainment.
It consists of singles like “Scarecrow”, “Little Do You Know” and others. It charted at #8 in US Billboard 200, #11 in Canada, and #9 in New Zealand.
First TV Show
In 2013, she appeared on The X Factor and won season 3 of this singing reality show.
Personal Trainer
There is not much known about her workout routine and diet plan. But, she may have tried or thought of giving a go to the amazing diet plan called Paleo Diet. She tweeted about that in June 2013.

Sierra Deaton Facts
- Sierra was born in Philadelphia but raised in Orlando, Florida.
- Sierra started dancing at the age of two.
- Deaton is skilled in numerous dance forms including ballet, jazz, hip-hop, modern, and tap.
- Sierra also competed in Irish dancing for 11 years and won three international titles.
- Deaton won season 3 of The X Factor USA. She was teamed with Alex Kinsey.
- Sierra and Alex won $1 million recording contract from Sony Music Entertainment after winning the third season of The X Factor.
- She likes adventure and never wants to grow up.
- They are the first and the only couple to win The X Factor in the United States.
- Sierra likes the music of singers such as Ed Sheeran, Jason Mraz, John Mayer, Marc Broussard, Nickel Creek, Taylor Swift, and The Civil Wars.

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