Tina gushed about the cute twins, saying that they are all excited to have them in their lives and see them grow up.
Beyoncé shared the first highly-anticipated photo of the twins on Instagram on Friday, July 14, much to the delight of her followers.
"She's very proud and very excited", Knowles shared of little Blue. "She's a good big sister, she really is".
The 35-year-old star - who's also mom to daughter Blue Ivy, 5 - donned a Palomo Spain ensemble in the shot, styled with similar themes as the stunning maternity photo she used to announce her double baby announcement in February.
Lawson's husband, Richard Lawson, echoed her sentiment.
Beyonce and Solange's mother did not say whether or not Beyonce was also working on a future album, but she was happy to speak about the Hollyrod Foundation.
Beyoncé and Jay-Z welcomed Sir Carter and Rumi on June 13, with Bey recently sharing the first photo their latest arrivals in a snap reminiscent of Botticelli's classical Venus rising out of the ocean.