<P> `` Ca n't Take My Eyes Off You '' is a 1967 single credited to Frankie Valli . The song was among his biggest hits , earning a gold record and reaching No. 2 on the Billboard Hot 100 for a week , stuck behind `` Windy '' by The Association . It was co-written by Bob Gaudio , a bandmate of Valli 's in The Four Seasons . It was Valli 's biggest solo hit until he hit # 1 in 1974 with `` My Eyes Adored You '' . </P>
who sings i ca n 't take my eyes off of you
Frankie Valli