Not sure about some aspects of the story. The idea was nice: Holly i.e. 'Beauty' was loved by everyone for her physical appearance. She turned herself ugly because she wanted some freedom from the constraints her appearance has given her. Austyn i.e. 'Beast' wanted someone unattractive because his family was cursed to bring ruin upon wives who are beautiful. Holly wanted someone to value the person she is, so they should have worked out perfectly... Of course, it didn't. 
 (view spoiler)[ Austyn decided that he had to see what Holly looked like before he competed in a tournament to win her hand and the large dowry he wanted. He sees her and falls immediately in love with her appearance, like everyone else. He competes in the tournament for the now 'ugly' Holly and barely manages to continue since her appearance disgusts him so much. The thought of the money keeps him going though. Meanwhile, Holly doesn't like the look of the 'beast' and doesn't want to marry him when he wins. Given no choice, she keeps up her ugly charade to try and discourage him taking her to bed. When Austyn shaves off his beard and reveals himself as handsome enough to compete and win with Holly for best looking, Holly decides to be the best wife ever to win his love. (hide spoiler)] 
 I could keep going but by now your probably seeing what I did. Everything was based, in the end, on the fact they were both good looking. At one point Austyn makes an admirable effort to look past Holly's ugly appearance but in the end, it was only when Holly was revealed as beautiful, that he really became unable to tear himself away from her. 
 Of course there was also the problem of what happens after Austyn discovers that Holly is beautiful. (view spoiler)[ He precedes to push her under the lake to 'clean her' and follows that with ripping her clothes mostly off and dragging her through the castle, where everyone sees her almost naked. He then takes her upstairs to lock her in the tower for the next few months. Bit of an over reaction? I thought it was. Not long after Austyn locks her in the tower, he decides he has to determine if she is really a faithless whore or a virgin and precedes to have sex with her unromantically. No kissing or anything remotely nice. Holly doesn't mind of course since she loves him and it's his husbandly right (because that is a normal reaction). Since Holly is the one who should be ashamed (insert sarcasm), she is the one who tries to win Austyn's affections by letting him do whatever (sexually) to her. She loves it of course. Nice.....(you can insert some more sarcasm here). (hide spoiler)] 
 That all sounds quite negative, but there were aspects I liked and kept me reading. It was well written for one. It was also quite passionate.