Mummy and Daddy time! Beyoncé and Jay-Z took a break from baby daughter Blue Ivy as they went for a romantic stroll in St Barts last week

New mother Beyoncé looked slender in a pretty paisley kaftan, worn over a blue swimsuit, which she teamed with a striped bag and metallic sandals.

The 30-year-old star accessorised her outfit with sunglasses and a large pair of hoop earrings, wearing her light brown hair piled high in a bun on top of her head.

Meanwhile, Jay-Z went for a similarly relaxed look in a pale blue unbuttoned shirt, a pair of light brown checked shorts and some cream plimsoll-type shoes.

Casual style: While Beyoncé wore a paisley patterned kaftan over her swimsuit, Jay-Z wore a shirt and checked shorts

The pair also seen in St Barts yesterday, toting little Blue Ivy as they made their way onto a waiting boat.

Beyoncé cradled her precious cargo as she made her way aboard the yacht.

The superstar singer dressed for the warm weather in an orange cardigan and denim cut-off shorts which showed off her enviable pins.

She wore her hair tied back in a French plait and had a multi-coloured bag slung over one shoulder.

Precious cargo: Beyonce and Jay-Z took their three-month-old baby on a boat trip during a St Barts holiday

Quick change: A barefoot Beyonce boarded the boat in one cardigan and debarked wearing another

Sunny: The pair looked relaxed and happy as they enjoyed time with their little one during the sun-filled break

Beyoncé, who appeared to bedecked out in lots of jewellery, went barefoot as she boarded the boat in the harbour.

The pair each wore sunglasses for their day of exploring the waters in the sunshine, and when they returned from the boat trip, Beyoncé wore a different cardigan.

It comes as the duo are reported to have renewed their wedding vows in celebration of their fourth anniversary earlier this week.

Time out: The pair looked happy as they soaked up the sun while embracing their newfound parenthood

The power couple are also understood to have exchanged new rings as they stood before celebrity guests including Oprah Winfrey, according to MediaTakeOut.com.

The website reports that 30-year-old singer said ‘I do’ again in a ‘moving’ ceremony which happened at midnight on their wedding anniversary, April 4.

More in love than ever: The happy couple reportedly renewed their wedding vows as they celebrated their fourth anniversary

Helping hand: Jay-Z made sure his two favourite girls debarked the boat safely after their excursion