After announcing their separation on Thursday, ET has learned more about what's behind the split.

Millie Mackintosh attends gala after announcing separation

Brittany Snow Files for Divorce 4 Months After Announcing Separation from Tyler Stanaland

Aamir Khan-Kiran Rao After Announcing Separation Enjoyed A Special Moment, Left Fans In Shock | Laal Singh Chaddha

‘Anything Is Possible…Clooney Got Married’—Watch Jennifer Aniston’s Awkward ‘Ellen’ Interview Days Before Announcing Split

'Sister Wives' Star Meri Brown Clarifies Sexuality After Announcing Split from Longtime Husband Kody

Miley Cyrus & Liam Hemsworth Separated Months Before Announcing Split?

Ne-Yo and Wife Crystal Renay Reconcile 4 Months After Announcing Split: 'We're Stronger Now'

Katie Holmes pregnant keeps it casual in NYC .. after announcing SPLIT to JAMIE FOXX

Miley Cyrus And Liam Hemsworth Separated Months Before Announcing Split

Cynthia Bailey Breaks Free! - Star’s New Life After Announcing Her Split From Peter Thomas

Arnold Schwarzenegger and Maria Shriver officially divorce after announcing split in 2011

Jason Momoa Moves Back In With Lisa Bonet 1 Month After Announcing Their Split

Romeo Beckham spotted holding hands with Mia Regan weeks after announcing split

Zooey Deschanel Dating Property Brothers' Jonathan Scott a Week After Announcing Split from Husband

Lena Waithe and Wife Alana Mayo Split Just 2 Months After Announcing Their Marriage

Here's What Jason Momoa Did Hours Before Announcing Split From Lisa Bonet

Strictly’s Bobby Brazier says he’s ‘clicked’ with partner Dianne Buswell after announcing split from girlfriend

EXCLUSIVE: #Usher had his eyes on #Marvel "it" girl @TessaThompson_x ‏before announcing his split from his wife. But, Tessa seems to be preoccupied with her friend @JanelleMonae! #PageSixTV's @CarlosGreer tells all.

Ryan Fitzpatrick in Talks for Thursday Night Football Deal After Announcing Retire

Arizona’s governor falls short of announcing a full plan for in-person learning, so what’s next?