Her father, Joe Greene Sr., a former U.S. Marine,[2] owns a concrete construction business, while her mother, Michele (née Tatum), works for an insurance company.

Greene graduated from high school early and moved to Los Angeles to pursue an acting career.

Greene is a friend of her Twilight co-stars, Kellan Lutz and Jackson Rathbone, whom she knew before filming of the series began.

[18][19][20][21] Appearing nude in a bodypainted bikini, Greene posed for SoBe advertisements that ran in the 2010 issue of the Sports Illustrated Swimsuit Edition.

[25] In October 2012, Greene began dating Reeve Carney, but the couple split after being together for ten months because their schedules and other projects took them away from each other.