Born and raised in Texas, Sweeney was exposed to music from an early age but did not pursue it professionally.

After forming a band and gathering a regional following, her music was heard by Big Machine Records.

Its lead single, "From a Table Away" reached the top ten of the American country songs chart in 2011.

In addition, her recordings were issued on the independent Thirty Tigers and Aunt Daddy labels.

[3] Her grandfather, Art Sweeney, was a local musician who played clubs and events near her hometown.

[2] While surrounded by music, Sunny herself did not perform publicly until singing Dolly Parton's "9 to 5" in her high school talent show.

[4] Sweeney took several junior college courses before moving to New York City to attempt an acting career.

While interning for the Propaganda Media music company, Sweeney got opportunities to watch artists perform onstage.

After gaining a following on the club circuit in her native Texas, Sweeney signed to the independent Big Machine Records label.

[13] The album was produced by Brett Beavers consists of ten tracks, including one co-written with Radney Foster and Jay Clementi.

Through the fan-sponsored PledgeMusic program, Sweeney issued her third studio record, Provoked, on August 5, 2014.

[17] Dreamer: A Tribute to Kent Finlay, released in early 2016 on Austin-based Eight 30 Records, features Sweeney and Randy Rogers' duet "Between You and Me.

It includes a duet with Vince Gill on the title track as well as vocals from Paul Cauthen on “A Song Can’t Fix Everything”.

The pair wed in an intimate ceremony in Las Vegas, Nevada, with only a few friends and family invited.