Patrick Schwarzenegger hits pool as he takes girlfriend Abby Champion on family holiday in Mexico with Maria Shriver

By Justin Enriquez For Dailymail.com

Published: 16:59 EST, 2 January 2017 | Updated: 18:22 EST, 2 January 2017

They have been dating for nearly a year.

And things certainly seem to be heating up for Patrick Schwarzenegger and his model girlfriend Abby Champion.

The 23-year-old actor was spotted hitting the pool with his ladylove during a family holiday in Los Cabos, Mexico on Sunday.

Making a splash: Patrick Schwarzenegger was spotted hitting the pool during a family holiday in Los Cabos, Mexico on Sunday

Heating up: He was joined on the holiday by model girlfriend Abby Champion

No doubt Maria Shriver treated Patrick and his siblings to the trip South of the Border as they were all spotted enjoying some fun in the sun.

Abby flaunted her model figure in a white monokini featuring cutouts at the side to show off her toned torso.

The 19-year-old's blonde tresses were put up in a messy bun as she protected her eyes with a pair of designer shades.

Looking good: The 19-year-old model sported a white monokini

Wonder in white: She was also joined by a gal pal for the day of fun in the sun

Fun in the sun: No doubt they all enjoyed a day of rest and relaxation 

Keeping cool: The 23-year-old showed off his trim figure in a pair of patterned shorts

Chill: His hair was dishevelled

 Patrick showed off his trim figure in a pair of patterned board shorts as his brunette locks were elegantly dishevelled.

His mother Maria, 61,  was spotted taking a dip in a black bathing suit as she covered up her tresses in a silk scarf.

Older sister Katherine, 27, covered up in a pink and blue patterned sundress.

Still stunning: Mother Maria Shriver looked fantastic in a one-piece

Relaxed: She also wore a silk headwrap

Her raven-coloured tresses were worn down flowing over her shoulders as she sported a pair of shades with blue mirrored lenses.

Younger brother Christopher, 19, took a swim in a pair of black and red Nike shorts.

Not seen poolside that day were Patrick's legendary action man father Arnold Schwarzenegger or 25-year-old sister Christina.

Pretty in patterns: Katherine Schwarzenegger sported a pink and blue patterned number

Yum: Abby held onto a cold beverage as she hit the pool

Joy ride: She was also seen hitting the slide

However. the family was all together in an adorable family photo by a Christmas tree last week. 

Everyone was dressed in their holiday pyjamas as they posed for a cute family snap along with their dogs which Katherine captioned: 'Merry Christmas from our family to yours!' 

Baby brother: Youngest sibling Christopher was also seen on the outing

Family holiday: He sported a pair of Nike athletic shorts

Bonding time: No doubt the group had a great day poolside 

Maria has been married to 69-year-old Arnold since 1986 but announced their separation in May 2011.

Patrick has been dating Abby since early 2016 as they were spotted together during her birthday in late February. 

She hails from Birmingham, Alabama and and has a contract with Next Model Management. 

Aww: Last week Katherine shared an adorable family photo featuring father Arnold and sister Christina Schwarzenegger

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