Examples:

• After hours in the gym, he cleaned up nicely for the wedding, surprising everyone with his sharp suit.
• She usually dresses casually, but she cleaned up nicely for the job interview in a professional outfit.
• Despite his rugged appearance, he cleaned up nicely in a tuxedo for the gala.
• The actress cleaned up nicely for the awards ceremony, dazzling in an elegant gown.
• He didn't look like much at first, but with a haircut and new clothes, he cleaned up nicely for the date.
• She cleaned up nicely for the party, with her hair styled and makeup done perfectly.
• The team captain usually wore sports gear, but he cleaned up nicely in a formal suit for the awards ceremony.
• Though tired from work, she cleaned up nicely for the dinner date with her partner.
• He surprised his friends when he cleaned up nicely in a tailored suit for his graduation ceremony.
• She always preferred comfort over style, but she cleaned up nicely in a sophisticated dress for the charity event.
• Despite the outdoor job, he cleaned up nicely in a crisp shirt and slacks for the family gathering.
• The musician cleaned up nicely for the album launch party, looking sharp in a designer outfit.
• She cleaned up nicely for her high school reunion, stunning old classmates with her elegant attire.
• He usually wore jeans and t-shirts, but he cleaned up nicely in a suit for the job interview.
• Despite his casual demeanor, he cleaned up nicely for his sister's wedding, looking dapper in a suit and tie.