Reba McEntire is mourning the loss of her stepson, Brandon Blackstock, sharing an emotional Instagram post just days after his passing.

Brandon Blackstock and Kelly Clarkson's former assistant Brittney Jones shared a private romance before his death at age 48 ...

Blackstock is survived by his four kids. His daughter River Rose, 11, and son Remington Alexander, 9, were shared with Clarkson. The talent manager had two children from a previous marriage, Savannah ...