House Minority Leader Nancy PelosiNancy Patricia D'Alesandro PelosiFeehery: March Madness Without ranked voting, Pennsylvania's slim margins hide voters' preferences Dem leaders pull back from hard-line immigration demand 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.