Baby on board! Evan Ross flies Ashlee Simpson and their tiny tot Jagger to Las Vegas on a private jet to see his mum Diana in concert

Most parents dread taking babies on flights, worried about whether they will fuss and cry or annoy other passengers.

No such problem for Evan Ross and Ashlee Simpson Ross.

The couple chartered a private jet to take four-month-old Jagger to Las Vegas on Saturday.

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Peek-a-boo!: The back of baby Jagger's head was visible as Ashlee Simpson Ross and Evan Ross turned up at Van Nuys Airport in Van Nuys, California, to catch a private jet to Las Vegas on Saturday

Peek-a-boo!: The back of baby Jagger's head was visible as Ashlee Simpson Ross and Evan Ross turned up at Van Nuys Airport in Van Nuys, California, to catch a private jet to Las Vegas on Saturday

Evan's mother, superstar singer Diana Ross, was due to take the stage at 8 pm that night at the Venetian Theatre at the Venetian Casino in Sin City.

The couple turned up at Van Nuys Airport in Van Nuys, California, with their tiny daughter, a lot of equipment for the baby and an entourage to help them out.

Ashlee, 31, was dressed in a strappy black top and a calf-length black skirt with lace applique.

Rolling up: The family and their entourage were on their way to see the 27-year-old's mother, superstar singer Diana Ross, perform at the Venetian Theatre at the Venetian Casino that evening

Rolling up: The family and their entourage were on their way to see the 27-year-old's mother, superstar singer Diana Ross, perform at the Venetian Theatre at the Venetian Casino that evening

Precious cargo: The beautiful blonde carefully carried her adorable little girl, who was wearing a leopard spot onesie and seemed quite happy to snuggle into her mother's neck

Precious cargo: The beautiful blonde carefully carried her adorable little girl, who was wearing a leopard spot onesie and seemed quite happy to snuggle into her mother's neck

The beautiful blonde carefully carried her precious little girl, who was wearing a leopard spot onesie, and partially wrapped in her own black jacket. 

The cutie seemed quite happy to snuggle into her mother's neck. 

Evan also wore a black jacket over a white T-shirt, grey jeans and suede boots.

He donned his favourite black hat and smiled at his wife of 16 months as she fussed over their daughter. 

On her way: Ashlee smiled as she walked away from the black SUV towards the jet waiting on the runway  

On her way: Ashlee smiled as she walked away from the black SUV towards the jet waiting on the runway  

Say cheese: The 27-year-old took to Instagram earlier to post a selfie captioned: 'Good morning!!! Im in a great mood about to head to vegas to see my mom in concert. With @ashleesimpsonross and baby Jagger Snow'

Say cheese: The 27-year-old took to Instagram earlier to post a selfie captioned: 'Good morning!!! Im in a great mood about to head to vegas to see my mom in concert. With @ashleesimpsonross and baby Jagger Snow'

The 27-year-old took to Instagram earlier that day to to post a smiling selfie.

He captioned it: 'Good morning!!! Im in a great mood about to head to vegas to see my mom in concert. With @ashleesimpsonross and baby Jagger Snow.'

Missing from the fun was Ashlee's son Bronx Mowgli Wentz from her first marriage to Pete Wentz, which ended in 2011.

The lad, who celebrated his seventh birthday on Friday, was likely with his Fall Out Boy rocker dad.

'Look at our lovely daughter': The proud parents have been sharing a flood of snaps of Jagger on social media websites, including this most recent shot posted last month

'Look at our lovely daughter': The proud parents have been sharing a flood of snaps of Jagger on social media websites, including this most recent shot posted last month

Growing up fast: Ashlee posted this cute snap of her son Bronx on Friday, captioned, 'Happy birthday to my very cool baby boy!! I can't believe it's been 7 years!!! I love you so much'

Growing up fast: Ashlee posted this cute snap of her son Bronx on Friday, captioned, 'Happy birthday to my very cool baby boy!! I can't believe it's been 7 years!!! I love you so much'

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