Alaina auditioned for the tenth season of American Idol in Nashville, Tennessee. After her audition, Idol judge Steven Tyler stated, "We found the one." May 14, 2011 was proclaimed "Lauren Alaina Day" in her hometown of Rossville, Georgia.
During the season finale, Alaina sang "Before He Cheats" with her idol, Carrie Underwood.
She was joined by country music duo Dan Shay, who looked sharp in their blue and purple suits.
"We are all different and that's what makes us all beautiful. It will have some fun songs and sad songs – a little bit of what my life has been like over the past few years", Alaina says.
Alaina became the only female to top both country charts in 2017 after Road Less Traveled topped the Country Airplay chart and What Ifs topped the Hot Country chart.
On May 25, 2011, Alaina was declared the runner-up.
Following Idol, Alaina was signed to Interscope Records, Mercury Nashville and 19 Recordings. The song entered the Billboard Hot Country Songs chart at forty-nine To promote her album, Alaina made numerous television and radio appearances.
She performed on that stage annually until age twelve, when she won the competition that allowed her to perform on the festival's big stage.
She traveled to Orlando, Florida when she was ten to compete in the American Model and Talent Competition. Alaina sang with the Georgia Country Gospel Music Association's children's group.
Alaina’s second number one came later that year when she simultaneously topped five Billboard charts with her friend and former classmate Kane Brown on their duet What Ifs. Her first public performances followed with a kids choir and an annual vacation spot that offered karaoke.
She sang in church, restaurants, family holiday gatherings and anywhere within a 30-mile radius of where she lived.
This also made her one of the only three women to top either country chart in 2017.
In September and October 2016, Alaina filmed her very first movie The Road Less Traveled, which took place in Knoxville, Tennessee.
At age eight, Alaina entered the talent competition of the Southern Stars Pageant and won.