The cousins archetypal roseate to fame successful 2011 aft performing a screen of Nicki Minaj's "Super Bass" connected The Ellen DeGeneres Show and person remained thick arsenic thieves successful the pursuing years.

In fact, Sophia exclusively told E! News that erstwhile she showed her younger relative a representation of the sonogram, Rosie started crying blessed tears.

"Honestly, it was virtually 1 of the astir happiest moments ever," she recalled Oct. 29. "She was conscionable truthful blessed due to the fact that we've been truthful adjacent our full beingness and we virtually person done everything together. I'm going into a caller section and evidently she's going to beryllium the champion relative ever. I'm truthful excited for her to conscionable the baby."

And Rosie shared her ain absorption to the quality connected the 'gram, posting a pic of the 2 from close aft Sophia told her the news.

"This photograph was the infinitesimal Sophia told maine she was large (as you tin spot I americium crying)," she wrote nether a drawback of the 2 hugging Oct. 23. "Congratulations to my beauteous relative Sophia connected the quality of your pregnancy!"

 She added, "To accidental I'm excited is simply a understatement, I can't hold to stock this full caller section with you and beryllium by your broadside watching you beryllium the champion mum ever! Love you truthful so much."

Sophia echoed the love, commenting, "Love you sm, you person ever been the champion relative to me."