Lexi Thompson at the Navistar LPGA Classic

Lexi Thompson is defending her title at the Navistar LPGA Classic - and she's killing it.

Lexi put up a career low 63 (9 under par) in the first round to tie the course record and put her in the lead. She put up a strong 3 under par in the second round to get to -12 overall heading into the weekend. 

Support @Lexi on Twitter and join her fans using the hashtag #Back2back

Get Lexi's looks at http://bit.ly/IlqkwJ

Golf Tech Polo in Bright Chartreuse (L)

Golf Tech A Line Skirt in Bright Chartreuse (L)

Golf Sleeveless Geo Polo in White/Bright Marigold (R)