'7 Little Johnstons' Trent Honors 'Best Lolli in the World' Amber in Sweet Birthday Message

Trent and Amber Johnston from '7 Little Johnstons'

In November, 7 Little Johnstons stars Amber and Trent became first-time grandparents. Their daughter, Liz, welcomed a baby girl, Leighton, with her boyfriend, Brice Bolden. Fast-forward to today, and the Johnston patriarch sent a sweet message to Amber filled with photos of their baby granddaughter.

Trent took to Instagram on Sunday, March 10, to recognize his wife of more than 25 years on her big day.

"Happy 45 Birthday to the best Lolli in the world!" he wrote. "We love you bunches. #team7LJ #leightonslolli"

Additionally, the post featured photos of Amber holding, reading to and feeding baby Leighton during various points over the past three months.

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In her own birthday shoutout to Amber, Liz posted a collage of photos and one video of Amber with Leighton via her Instagram Story.

"Happiest of Birthdays, Mom?? 45 and thriving!!!" she wrote. "Lolli couldn't have looked better on you!!! We love [you] so much and appreciate you!!! Thank you for continuing to teach me, shape me,  into the person I am today?? I love you!!!"

Soon, 7 Little Johnstons fans will have the opportunity to see how Liz and Brice broke the news of Liz's pregnancy to her parents. The Season 14 trailer teases that big moment, along with Alex and Emma's first prom, Anna buying her first home and more.

The Season 14 of 7 Little Johnstons premieres on Tuesday, March 12, at 10 p.m. ET on TLC.

Next: '7 Little Johnstons' Amber Shares Adorable Milestone Photo of Baby Granddaughter