Red Nose Day 2021 will take place in the UK on Friday, March 19, and Elton is promoting the cause on his Instagram page.
There's a photo of the singer and his husband holding a couple of Pixar character tee shirts being sold by TK Maxx.
''They're all wonderful, but our favourites are Buzz and Woody,'' Elton wrote.
The money raised will support people in the United Kingdom and around the world, with a focus on hunger, homelessness, domestic abuse, and mental health stigma.
To check out all the merchandise available, including the Pixar tops, visit