Rochelle Humes shares a rare snapshot with her sister look-alikes while fans are convinced to be triplets

She recently added to her credentials by becoming a children's book author.

And Rochelle Humes, 29, proved that big genes were running in her family while she shared a rare picture with her two sisters Sophie and Lili Piper on Instagram on Sunday.

the A trio of beauties posed on the outside for the snapping of siblings that led fans to wonder if they were triplets because of their likeness.

The social media offering was subtitled: "Lil # RH30 Anniversary Week Launch" as family members gathered to celebrate the 30th anniversary of Rochelle.

The fans of the former pop singer took advantage of the comments to praise their appearance and to say how shocked they looked to be triplets.

They asked: "Sisters or triplets? So beautiful bad & # 39;

Others added: "errr triplets ??? & # 39; and & # 39; You really look like triplets. & # 39;

Another shocked disciple contributed: "Superb photo !! It looks like 3 versions of you !! #look like.

Others had trouble understanding similar siblings while they were writing, "So you look like triplets" and "wow.Rochelle triplets".

Showing off her elegant sartorial feel in the photo, Rochelle cut out a pretty silhouette in a white and black polka dot dress featuring long black sleeves and a turtleneck detail.

She left her curls in her light curls and kept her hair from her face with a hair clip that revealed her perfect makeup.

Her sister Lili Piper took center stage for the photo and was superb with black leather shorts and a sleeveless turtleneck. She covered her thin Gucci pantyhose pins.

Sophie has opted for a casual outfit with ripped jeans and a black long-sleeved bodysuit with a bold neckline and crew neck.

She added a touch of color to her set with a burnt orange banner.

First book of Rochelle, The Mega Magic Hair Swap tells the story of two young girls who decided to swap their hairstyles with a little help from the magic.

This was inspired by her five-year-old daughter Alaia-Mai, who was coming home from school saying that she would like to have her friend's long golden curls in place of her curly hair .

Meanwhile, Rochelle will team up with her husband Marvin Humes to shoot the BBC One The Hit List series later this year.

Speaking recently in This Morning, the singer admitted that she did not know what would be the dynamics of the couple once they would start working together.

She said, "We do not know yet (what it feels like working together). I hope I'm not sitting on this couch talking about a split in a few months.

Rochelle shared the original idea behind the new musical game show from a game where married couples played a lot with their family.

She explained, "We had this game, we called beat the intros, we played the beginning of the song, every family member played with it.

"It's a show built around this idea. There will be three couples of couples, BFF, couples.

Rochelle, from S Club Juniors and The Saturdays, has ruled out a duet with her husband, Marvin, of JLS.

She said, "No, no, we would not duet. We glitter, glitter little stars. He does a lot of production, he brought me into the studio, his cheap voice to help him. & # 39;