The famous twosome will make their fifth appearance at the awards show, having famously performed 'The First Time It Happens' at the 54th Academy Awards in 1982.
© Rex Features
Miss Piggy and Kermit the Frog recently starred in The Muppets alongside Jason Segel and Amy Adams.
The film's song 'Man or Muppet' is nominated for 'Best Song' at the Oscars.
Earlier this month, Miss Piggy hosted the BAFTA red carpet show for Orange.
Presented by Billy Crystal, the 84th Academy Awards will air on Sunday, February 26 on ABC in the US and on Sky Movies in the UK.
Watch Miss Piggy and Kermit the Frog perform 'The First Time It Happens' below:
