Katherine Schwarzenegger enjoys a day of horseback riding with mom Maria Shriver and daughter Lyla

dailymail.co.uk:

Katherine Schwarzenegger enjoyed a day of horseback riding with mom Maria Shriver and daughter Lyla in tow.The 32-year-old author showed off her postpartum figure in a clinging black outfit six months after welcoming her second child with husband Chris Pratt, 43.The trio spent time getting fresh air in the Los Angeles sunshine as Maria looked after the toddler.

Great outdoors: Katherine Schwarzenegger enjoyed a day of horseback riding with her mom and daughter in towKatherine, who's written multiple self-help books, wore knee-high riding boots and a black helmet.She pulled her dark hair back into a low, messy bun as she mounted a brown stallion.

Maria, who was married to Arnold Schwarzenegger for 25 years, wore dark blue denim pants and a patterned top.The journalist's long-sleeved blouse was partially sheer and had a button-up design.

Family fun: The 32-year-old author was joined by mother Maria Shriver, 67, and two-year-old daughter Lyla, whom she shares with husband Chris Pratt She was a doting grandmother as she kept a watchful eye on her granddaughter, who was dressed in pink.Shriver pulled her blonde-highlighted hair out of her face with a clip, leaving the back portion loose.The newscaster covered her eyes in a pair of narrow, rectangle-shaped sunglasses and carried her phone over her torso in a red carrier case.The youngster's curly blonde hair flowed out of a white bucket hat as she looked on while her mom engaged in the outdoor activity.