The concert to celebrate the 60th anniversary of the queen's ascension to the throne will be held on a stage in front of Buckingham Palace.
The musical celebration will be attended by the queen, the Duke of Edinburgh and members of the Royal Family. It will be broadcast live worldwide.
The concert will take place at the Queen Victoria Memorial in front of Buckingham Palace and be broadcast live on BBC One, BBC One HD, BBC Radio 2 in the UK, as well as worldwide. Highlights from the concert will be available to U.S., viewers on ABC on Tuesday at 9 p.m.
This summer the Boston Pops conductor will also appear five times at Tanglewood as it celebrates its 75th season in Lenox.
Lockhart will return to the United States on Tuesday.
Lockhart became the 20th conductor of the Boston Pops in 1995.
In addition to leading the Boston Pops, Lockhart was named the principal conductor of the BBC Concert Orchestra in August 2010.