Kunis, 31, and Kutcher, 36, flew to New Orleans to attend Tausha's wedding back in April. Before heading home, the parents-to-be stopped at Abita Beer Brewery for a tour.
The following month, Kunis — due any day now — bonded with her future sister-in-law while shopping in L.A. on May 16. The duo wore matching royal blue ensembles, which accentuated their growing baby bumps.
"My mom [Diane] comes from an Irish Catholic background. She has 10 brothers and sisters, so we have a huge extended family. They're all around the same area," he explained to Us at the Harboring Hearts 2nd Annual Summer Soiree in NYC.
"I have a 9-year-old myself, and a 4-year-old, and there's a 16-year-old in the family," he added. "We're so excited to expand the cousins of the new generation."