The former president's Wednesday service was at Washington National Cathedral in D.C.
The plane landed safely at the military base, and the first lady was seen getting off of the plane.
The president and Melania Trump were a bit tardy for their meeting with the queen at Windsor Castle on Friday.
The queen has met 11 out of the last 12 sitting U.S. presidents.
The first lady's office said in a statement that the procedure was "successful and there were no complications."
The First Lady posed with four former presidents and former presidential candidate Hillary Clinton in a sweet photo.
Bill and Hillary Clinton were also in attendance and sat next to the Obamas.
The 50-year-old host released a statement on Twitter on Sunday acknowledging his offensive remarks.
The former First Lady appears on Thursday's 'The Ellen DeGeneres Show,' where she also admits Barack had to help her out with the gift that Melania handed her.
The former first lady hilariously recalls her inner monologue while given the gift on Inauguration Day 2017.
Anderson Cooper 'Appalled' by Kathy Griffin's 'Disgusting' Donald Trump Photo, Melania Trump Also Responds
The 32-year-old actress showed off her fresh cut on Instagram.
The 21-year-old model didn't hold back while co-hosting with Jay Pharoah Sunday night.
The future first lady's dark ensemble was a far cry from the sassy white jumpsuit she wore on election night.
