Throughout her marriage, she remained close with her ex-husband Michael Sheen, whom she shares a 17-year-old daughter with named Lily.
Kate shared two side-by-side Instagram images of the moment -- one of Michael picking Lily up and the other of the two parents hugging.
Kate said, "The appropriate fatherly response when you found out your girl got into college: burst into tears drop everything rush over and pick up everyone even remotely involved." is revisiting the biggest splits of 2016 so far, starting with Angelina Jolie and Brad Pitt.
Sarah and Michael's relationship has set tongues wagging – with rumours swirling that the pair are to wed.
The former "Why do we have to get the government involved in our love? " she quipped, referring to the question of making their romance oficial.
When news surfaced that Angelina was calling time on her marriage to Brad in September, it came as a shock to many who assumed Brangelina was forever.
The actress and humanitarian filed for divorce on Sept.
The Batman v Superman: Dawn of Justice actor and the 42-year-old actress worked together in the movie Pearl Harbor, in 2001.
The two reportedly had a brief fling after filming, although neither of them have ever confirmed a relationship.
"No it's more like, 'Look at all these beautiful women and he loves me.' It's more like that, like 'Wow!
'" and picked up an OBE from the monarch herself in 2009, has also dated actress Rachel Mc Adams.
Sarah told Chelsea, "He and Kate are like brother and sister. She's really, really cool."Kate, for her part, is baffled that people think her family situation is unique."I don't know why everyone was so surprised," she told Stylist magazine.