Julianne & Derek Hough Celebrate Grandmother's Birthday After 'Dancing With the Stars' Taping

Julianne Hough rocks leather pants while heading to a birthday party for her grandmother at Maggiano’s on Monday (October 6) in West Hollywood, Calif.

The 26-year-old Dancing with the Stars judge was joined for the family party by her brother Derek.

PHOTOS: Check out the latest pics of Julianne Hough

After the dinner party, Julianne carried her two dogs in a carrier while catching a flight out of town to spend time with her beau Brooks Laich.

“Happy! 😍 @brookslaich 🐶🐼 #lexi #harley #love #myworldisonthiscouch,” Julianne wrote on Instagram the next day.

25+ pictures inside of Julianne Hough and brother Derek celebrating their grandmother’s birthday…