Bo & Sunny

President Barack Obama runs down the East Colonnade with family dog, Bo, on the dog's initial visit to the White House, March 15, 2009. Bo came back to live at the White House in April.

NBC video and sound crews capture footage of the "First Dog" in the Rose Garden outside the Oval Office for their prime-time broadcast "Inside the Obama White House," May 29, 2009.

Bo, the Obama family dog, is greeted by several of the President’s Active Lifestyle Award achievers in the Diplomatic Reception Room of the White House, November 29, 2010.

Bo, the Obama family dog, sits by a larger-than-life holiday decoration of himself in the East Garden Room of the White House, November 30, 2010. Some 80 volunteers helped create the 4 foot statue, which is made of 40,000 pipe cleaners.

President Barack Obama is joined by First Lady Michelle Obama and Bo, the Obama family dog, as he delivers remarks during a Christmas holiday reception in the Grand Foyer of the White House, December 15, 2010.

First Lady Michelle Obama and Bo, the Obama family dog, greet audience members at Children’s National Medical Center in Washington, D.C., December 12, 2011. Mrs. Obama read "Twas the Night Before Christmas" during a Christmas holiday program with children, parents, and staff.

President Barack Obama, First Lady Michelle Obama, and Bo, the Obama family dog, greet visitors during an inaugural open house in the Blue Room of the White House, January 22, 2013.

Bo, the Obama family dog, waits for First Lady Michelle Obama on the South Lawn driveway before departing the White House, March 20, 2013. Bo accompanied Mrs. Obama during her visit to Maryland Fisher House IV at Walter Reed National Military Medical Center in Bethesda, Maryland.

President Barack Obama and First Lady Michelle Obama, joined by family pets Sunny and Bo, wait to greet visitors in the Blue Room during a White House tour, November 5, 2013.

First Lady Michelle Obama, seated with Obama family pets Bo, left, and Sunny, tapes a video for Ellen DeGeneres' 56th birthday in the White House Library, January 28, 2014.

Obama family pets Bo, left, and Sunny sit at a table in the State Dining Room of the White House, February 10, 2014. The table settings will be used at the State Dinner for President François Hollande of France.

First Lady Michelle Obama, with family pets Sunny and Bo, visit with children of military families during a craft project in the State Dining Room of the White House, December 3, 2014.

First Lady Michelle Obama introduces Jayla Raymond, 8, from New Orleans, Louisiana, to Obama family pets Sunny and Bo in the Map Room of the White House, December 4, 2014.

First Lady Michelle Obama walks back to the White House with Obama family pet, Sunny, after joining students for the "Let's Move!" spring garden planting in the White House Kitchen Garden, April 5, 2016.