She can’t wait to officially become a Roloff! Former Little People, Big World star Jacob Roloff proposed to his longtime girlfriend Isabel Rock back in December and she has been nonstop gushing over the fact that she’s a fiancée ever since they announced their engagement last month. But Izzy isn’t only excited about the fact that she’s going to marry Jacob — she’s also excited about marrying into the Roloff family, which means she’s gaining a tribe of sisters! She took to Instagram on Saturday, Feb. 10 to share a sweet photo of her with Tori Roloff and Audrey Roloff and she wrote the sweetest tribute to her future sisters-in-law.

“I’m so lucky that I gain three sisters by coming into this family. To receive encouragement from, endless support and to always have them to lean on Love you ladies, just missing you Molly,” the 21-year-old captioned the adorable shot.

And she’s not the only one who’s excited about gaining a new sister! Audrey took to Instagram to share the same photo and she also wrote a sweet message about welcoming Izzy into the family. “When you have the cutest sister and future sister,” Auj wrote. “Freaking love them!”

Tori is also super excited to welcome Izzy as her new sister-in-law, and she gushed about it in a sweet message congratulating the couple on their recent engagement. “I’m also so thankful for Jacob because he is bringing Isabel into our family,” she wrote on Instagram. “I already consider this girl a sister but I can’t wait for the day it becomes official. She is such a light in this world and her enthusiasm and love of life is simply contagious. I love you both so much and I can’t wait to see what amazing things you guys accomplish together. Wow. [Three] sisters. God is good.”

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