Julianne Hough celebrates her 21st birthday at Borgata

Dancing With the Stars" pro Julianne Hough, now a country singer, celebrated her 21st birthday at the Borgata Saturday. Hough, joined by family that included sisters Maribeth and Katherine Hough, enjoyed mani/pedis at the Water Club's Immersion Spa and bought some shoes at Fixation. The group dined at Bobby Flay Steak, then hit mur.mur, where the Hough girls danced to DJ Vice's set and where Hough was presented a cowboy-boot-shaped cake. Depeche Mode, who played at the Borgata Event Center, also hung at mur.mur.