Kaley Cuoco Big Bang Theory: Actress perfectly sings theme song on Jimmy Fallon | news.com.au — Australia's leading news site
![Kaley Cuoco Performs 'The Big Bang Theory' Theme Song On 'Tonight Show' – Watch Here! | Jimmy Fallon, Kaley Cuoco, Karl Cook | Just Jared Kaley Cuoco Performs 'The Big Bang Theory' Theme Song On 'Tonight Show' – Watch Here! | Jimmy Fallon, Kaley Cuoco, Karl Cook | Just Jared](https://cdn.justjared.com/wp-content/uploads/headlines/2017/05/kaley-cuoco-performs-the-big-bang-theory-theme-song-on-tonight-show.jpg)
Kaley Cuoco Performs 'The Big Bang Theory' Theme Song On 'Tonight Show' – Watch Here! | Jimmy Fallon, Kaley Cuoco, Karl Cook | Just Jared
![Kaley Cuoco Performs 'The Big Bang Theory' Theme Song On 'Tonight Show' - Watch Here!: Photo 3895060 | Jimmy Fallon, Kaley Cuoco, Karl Cook Pictures | Just Jared Kaley Cuoco Performs 'The Big Bang Theory' Theme Song On 'Tonight Show' - Watch Here!: Photo 3895060 | Jimmy Fallon, Kaley Cuoco, Karl Cook Pictures | Just Jared](https://cdn.justjared.com/wp-content/uploads/2017/05/cuoco-bbtheme/kaley-cuoco-performs-the-big-bang-theory-theme-song-on-tonight-show-04.jpg)
Kaley Cuoco Performs 'The Big Bang Theory' Theme Song On 'Tonight Show' - Watch Here!: Photo 3895060 | Jimmy Fallon, Kaley Cuoco, Karl Cook Pictures | Just Jared
Kaley Cuoco challenged to sing theme song | lyrics, The Big Bang Theory | Does Kaley Cuoco know the lyrics to The Big Bang Theory theme song? | By HLN | Facebook
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