The two recently reconnected after three decades apart.
People can't get over the resemblance between the two singers.
The 39-year-old Destiny's Child singer revealed the news on the cover of the latest issue of Women's Health magazine.
The singer and her husband, Tim Weatherspoon, have a son named Titan.
Beyoncé Knowles, Kelly Rowland, LeToya Luckett and LaTavia Roberson helped usher in a new wave of R&B with their sophomore album.
Director Ava DuVernay tweeted the hashtag and shared stills from some of her projects that capture the "beauty of brown skinned girls."
Matthew Knowles says he's already reached out to his daughter and bandmates Kelly Rowland and Michelle Williams for support.
The Destiny’s Child singer is continuing her mental health advocacy, while seeking help from her battle with depression.