The phrase "to add some flare" means to put an extra touch of creativity, excitement, or style into something to make it more interesting or appealing. Full definition
Then to add a flare of sophistication I wore a long camel colored trench coat. (poshscene.com)
I love the hardware, I love all the neat door options that can really add flare to a room and I especially love the functionality of them. (stylechroniclesofamidwestmomma.com)
I have some red hunter boots which adds flare, but otherwise I am just way too lazy. (fashionopolis.in)