Former President Barack Obama announced the death of the Obama family's dog, Bo, on Saturday. "This afternoon was a difficult one for our family. We said goodbye to our best friend—our dog, Bo—after a battle with cancer," Michelle Obama wrote in a post on Instagram. President Barack Obama and his family received Bo, a male Portuguese Water Dog, as a gift in 2009. He was 12. | NPR

Michelle Obama takes first dogs Sunny and Bo for one last walk around the White House. | The Hill

Nearly one decade after leaving the White House, former first lady Michelle Obama is ready to talk about the evolution of her style and the power of fashion in a new special. Watch “Michelle Obama: The Style, The Power, The Look: A Conversation With Robin Roberts” premiere tonight (Nov. 2nd) at 8/7c, on ABC Network. Stream on Disney and Hulu. #MichelleObama | ABC 20/20