- Source of Wealth: Music
- Age: 25
- Birth Place: Rossville, Georgia
- Height: 5′ 6″ (1.68 m)
- Weight: 128 lbs (58 kg)
- Marital Status: Single
- Full Name: Lauren Alaina Kristine Suddeth
- Nationality: United States
- Date of Birth: November 8, 1994
- Occupation: Singer
- Education: Lakeview-Fort Oglethorpe High School
- Children: None
Alaina has appeared on many talk shows after the finale. On June 8, 2011, Alaina along with American Idol winner Scotty McCreery presented on The CMT Awards.
Prior to joining Idol, she performed at several venues in Chattanooga and was the first winner of the WinniSTAR talent contest at the Lake Winnepesaukah Amusement Park in 2009.