The LIPS don't lie: Shakira enjoys a smooch with partner Gerard Pique at Barcelona Open (as son Milan also puckers up)

She famously declared that hips don't lie.

But, for chart-topper Shakira, the same maxim can clearly be applied to the lips - as she proved when she kissed partner Gerard Pique on Sunday.

The couple enjoyed a loving embrace while attending the Barcelona Open with their first-born, Milan, at the weekend.

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In love: Shakira and Gerard Pique enjoyed a loving embrace while attending the Barcelona Open with their first-born, Milan, at the weekend

In love: Shakira and Gerard Pique enjoyed a loving embrace while attending the Barcelona Open with their first-born, Milan, at the weekend

Adorably, the 2 year-old youngster replicated his parents' pre-kiss pout in a cute display of childhood innocence.

Keeping it casually stylish for their day out, the family looked color co-ordinated for their attendance at the annual tennis tournament. 

Shakira lead the way in a fitted denim jacket and wide-brimmed hat, which she capped with a pair of skinny jeans and T-shirt. 

Hats off to her! Shakira lead the way in a fitted denim jacket and wide-brimmed hat, which she capped with a pair of skinny jeans and T-shirt

Hats off to her! Shakira lead the way in a fitted denim jacket and wide-brimmed hat, which she capped with a pair of skinny jeans and T-shirt

Stylish: Keeping it casually stylish for their day out, the family looked color co-ordinated for their attendance at the annual tennis tournament

Stylish: Keeping it casually stylish for their day out, the family looked color co-ordinated for their attendance at the annual tennis tournament

Wearing her famous mane of hair in a free-fall of curls, the 39 year-old was instantly recognisable as her preppy pop persona.

Meanwhile, handsome Gerard - a professional sportsman for Barcelona FC - wore a navy blue, long-sleeved T-shirt, which accentuated his fit physique.

Joining them, baby Milan donned a cable-knit sweater and a mop of brown hair. Sadly, there was no sight of their new baby Sasha, who was welcomed in January.

Hair today! Wearing her famous mane of hair in a free-fall of curls, the 39 year-old was instantly recognisable as her preppy pop persona

Hair today! Wearing her famous mane of hair in a free-fall of curls, the 39 year-old was instantly recognisable as her preppy pop persona

The Colombian recording artist and the Spanish centre-back have been together for five years since 2010.

They met when he appeared in her music video for her hit single Waka Waka (This Time For Africa) which was the official song for the 2010 FIFA World cup.  

Gerard recently celebrated his 300th game appearance with FC Barcelona and was crowned the seventh highest goalscorer for the first team.

In addition he also plays defender on both the Spanish national team and the Catalonia national team. 

Duo: The Colombian recording artist and Spanish centre-back have been together for five years since 2010

Duo: The Colombian recording artist and Spanish centre-back have been together for five years since 2010

Fate? They met when he appeared in her music video for her hit single Waka Waka (This Time For Africa) which was the official song for the 2010 FIFA World cup

Fate? They met when he appeared in her music video for her hit single Waka Waka (This Time For Africa) which was the official song for the 2010 FIFA World cup

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