House Minority Leader Nancy PelosiNancy Patricia D'Alesandro PelosiMcConnell names Senate GOP tax conferees Abortion-rights group endorses Nadler in race to replace Conyers on Judiciary Trump rips Dems a day ahead of key White House meeting MORE (D-Calif.) took heat from Twitter users who said she was "politicizing Holy Week” by joining a foot-washing ceremony that included two immigrant children.

Pelosi, one of the House's most vocal advocates for immigration reform, tweeted a photo Thursday of herself holding a pitcher of water and kneeling with an Episcopal bishop in San Francisco.

In the caption she plugged HR-15, an immigration reform bill.

Twitter users pounced on her quickly.