Piano girl! Jennifer Lopez, 48, sizzles in colorful dress with sexy split as she poses for new Guess image after being named brand's muse

Jennifer Lopez posted a new image from her Guess campaign on Monday.

The 48-year-old Shades Of Blue actress looked like a sex symbol as she posed on a piano in a colorful dress that had a generous slit up the side.

This comes the same day the Bronx beauty was seen on the set of her new movie Second Act, which she is also producing. 

Va-voom: Jennifer Lopez posted a new image from her Guess campaign on Monday

Va-voom: Jennifer Lopez posted a new image from her Guess campaign on Monday

Number one: Her first Guess photo saw her in a white shirt with checked shorts and white pumps

Number one: Her first Guess photo saw her in a white shirt with checked shorts and white pumps

The looker wore her head in a big, messy bed head style that made her look a bit 1980s.

She added gold platform heels that matched nicely with her choker.

A man in a suit is seen tickling the ivories but his face cannot be seen.

Her first Guess photo saw her in a white shirt with checked shorts and white pumps.

Rolling: Jennifer appeared to be in great spirits on the NY set of her new movie Second Act

Rolling: Jennifer appeared to be in great spirits on the NY set of her new movie Second Act

 Ready, set, glow: She also wore black leather gloves and had her lines written on small white cards in her hand

 Ready, set, glow: She also wore black leather gloves and had her lines written on small white cards in her hand

Jennifer appeared to be in great spirits on the NY set of her new movie Second Act.

She wore a black business coat over a dark dress and had bare legs. She also wore black leather gloves and had her lines written on small white cards in her hand.

The star added black UGG boots.

Cute gal: The World Of Dance judge wore a black business coat over a dark dress and had bare, tanned legs

Cute gal: The World Of Dance judge wore a black business coat over a dark dress and had bare, tanned legs

Later she switched into black-and-white pimps with a thin six inch heel. 

The scene was shot outdoors with autumn leaves everywhere. It appeared to be a scene with a big reveal.

There were also white birds flying over the head of the Amor Amor Amor singer.

Vanessa Hudgens was also on set, but she had on a white coat with a big fur scarf. She also wore pinstriped slacks.

Chip: There were also white birds flying over the head of the Amor Amor Amor singer

Chip: There were also white birds flying over the head of the Amor Amor Amor singer

Co-star: Vanessa Hudgens was also on set, but she had on a white coat with a big scarf. She also wore pinstriped slacks

Co-star: Vanessa Hudgens was also on set, but she had on a white coat with a big scarf. She also wore pinstriped slacks

No heels here: Hudgens also slipped into her slippers when she had a break from filming

No heels here: Hudgens also slipped into her slippers when she had a break from filming

 

 

 

 

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