'Bachelor' Ben and Courtney Write Wedding Vows

As the competition on The Bachelor funnels down to a handful of girls, Courtney has some surprises for Ben that she hopes will sway him to propose to her.

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In this sneak peek of tonight's episode, Courtney entices Ben by surprising him with a vow-writing exercise and then puts Ben through the motions of being a groom by holding his hand as they walk through a mock wedding that Courtney arranged.

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"I have a big surprise planned for Ben," Courtney reveals to the viewers. "I'm going to tell him I love him and I'm doing it in a very special way."

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Check out Courtney surprising Ben in the clip above and see the full episode of The Bachelor tonight at 8 p.m. on ABC.