'Duck Dynasty's Sadie Robertson Greets Grandma ‘Happy Birthday’

( [email protected] ) Mar 21, 2015 12:35 PM EDT

Duck Dynasty star Sadie Robertson posted a sweet birthday greeting for her grandma on Instagram last March 14. The 17-year old model gave a shoutout to grandma Chrys Howard and referred to her as her second mama. Chrys Howard is the mother of Korie Howard Robertson, wife of Willie Robertson.

Sadie Robertson posted on Instagram: "I would like to give a huge happy birthday shout out to my 2mama, you are literally like my 2nd mama."

Rebecca, Sadie, Korie Robertson, and Chrys Howard at the New York fashion show, featuring clothing designs by Sadie Robertson's Live Original and Sherri Hill. (Photo : Instagram) 

The Duck Dynasty darling shares a close relationship with her grandma, who sometimes came to watch her practice her dance moves for Dancing with the Stars and even gave approval over her costumes for the dance show.

Robertson further says to Howard on Instagram, "I can't imagine my life without you. You have helped raise me into the person I am today & I thank you so much for telling me everyday to be a good leader & example. That has always stuck with me & always will. Thank you for leading by example."

Sadie Robertson is known to post photos of her family on social media. Recently, she posted photos of herself with grandpa Phil Robertson and uncle Si Robertson. She and uncle Si

She capped her message to grandma Chrys Howard with "Ps: you are the hottest grandma I have ever seen. Keep on rocking, I love you."

Coming from a closely knit family, she expressed support for Phil Robertson when the famous reality show Duck Dyansty came under fire last year after Phil's comment in a GQ magazine interview was labelled anti-gay by certain groups. The A&E show was suspended for 9 days but was reinstated after a tide of public support flooded social media.