Maddie Fortune's Perfect Man by Nancy Robards Thompson

Maddie Fortunado, heir apparent to her father's real estate business, is stunned to learn that she'll have to fight for the job she'd assumed was hers! Even worse? Her rival is none other than Zach McCarter, her secret crush. Only a makeover can transform 'Maddie' into 'Madeleine', who can compete against her charismatic coworker. But when Zach meets Maddie 2.0, business is suddenly the last thing on either of their minds!