Sen. Susan Collins, R-Maine, center, walks with Sen. Jeff Flake, R-Ariz., left, and Sen. Luther Strange R-Ala., right, on Capitol Hill in Washington on Friday. Collins announced her support for the Republican tax reform bill.

Collins, followed by Sen. Mike Lee, R-Utah, arrives as Republican senators gather to meet with Senate Majority Leader Mitch McConnell, R-Ky., about the stalled Republican effort to overhaul the tax code on Friday.

Collins speaks with Sen. Rob Portman, R-Ohio, as Republican senators prepare to meet with Senate Majority Leader Mitch McConnell, R-Ky., on Friday.

Collins speaks with Senate Majority Whip Sen. John Cornyn, R-Texas, left, on Friday. Collins announced that she would support the Republican tax reform bill.

Collins speaks with Senate Majority Whip Sen. John Cornyn, R-Texas. “I don’t think there is a single American who thinks that our current tax code is fair, simple, or promotes economic growth,” Collins said in a statement.

Collins, shown speaking with Senate Majority Whip Sen. John Cornyn of Texas, was one of the last Republican senators to announce how she would vote on tax reform.

Collins speaks with an aide as Republican senators work on their tax code overhaul Friday.

Collins makes her way through a crush of reporters after Republican senators met with Senate Majority Leader Mitch McConnell, R-Ky., about the Republican effort to overhaul the tax code, on Capitol Hill in Washington on Friday.

Collins answers media questions after Republican senators met with Senate Majority Leader Mitch McConnell, R-Ky., about the Republican effort to overhaul the tax code.