ET has learned a mass was 'putting pressure on her spine' that she could have died from.
Bush is survived by her husband of 73 years, President George H. W. Bush and their five children.
The 50-year-old '13 Reasons Why' star discussed her life after having a benign brain tumor removed in 2015.
The former 'Dance Moms' star has been suffering back issues for some time, according to an ET source.
Bush served as first lady alongside her husband, former President George H.W. Bush, from 1989-93.
The late-night comedian had hinted at a truce with the Fox News personality, but returned to mocking him.
ET sat down with Andrew Morton, author of 'Meghan: A Hollywood Princess,' out now. He also wrote the 1992 book, 'Diana: Her True Story in Her Own Words.'
The two recently announced they're expecting their third child.
The happy parents both posted a snapshot of their babies to Instagram on Tuesday.
The 25-year-old rapper was supposed to perform in Minnesota on Feb. 3, two days after Kylie gave birth.
The fashion designer and former Spice Girl turned 44 on Tuesday.
The ‘Barefoot Contessa’ host once cooked a birthday dinner for the actress!
The 30-year-old actress says she almost got 'emotional' upon being told she makes equal pay in the midst of a widespread movement in Hollywood toward eliminating disparities.
The new mom is assessing her future with her boyfriend.