Beach babe: Sister Nicky Hilton frolics in the sea

However, some speculate that 2008 may be the year of motherhood for Paris, following in the footsteps of her The Simple Life co-star Nicole Ritchie. Nicole and boyfriend Joel Madden are expecting a baby in January.

According to reports, she is preparing her body for kids as early as next year and is on the lookout for good husband material.

Paris and Nicky enjoy their Christmas break

Maintaining a more low profile is 24-year-old sister Nicky, a model and fashion designer.

In 2004, she launched own clothing line, Chick by Nicky Hilton, and has also designed a line of handbags for Japanese company Samantha Thavasa.