The script, by Sally Phillips and Neil Jaworski, mocks celebrity culture but never turns too caustic. The movie, like an island vacation, passes pleasantly and all too quickly.
—Neil Genzlinger New York Times
The film recognizes how resolutely derivative it is, and it deigns to relish rather than efface that quality. The result is a trifle, but a fairly amusing one.
—Calum Marsh Slant Magazine
A bland romantic comedy in the Richard Curtis style, The Decoy Bride is mainly notable for its proof, if any was needed after "Boardwalk Empire," that Kelly Macdonald is a major talent.
—Frank Sheck Hollywood Reporter
Tennant and Macdonald are appealing performers, but they aren't given scenes that convey they even like each other, much less that they're irresistibly drawn to each other, circumstances be damned.
—Allison Willmore Onion AV Club
Pernicious tripe suitable only for masochists and the intellectually disabled...
—Michael Atkinson Village Voice