Hey, there you are With that look of surprise It's like the sun showed Up just to light up your eyes (You brighten the skies) I see you laugh And I'm weak in the knees You got a way of making The world feel at ease Oh-oh, I'll crack a joke Just to see you grin Hey, Play your favorite song 'Cause your laugh is a win Ah-ah, I'll dance to catch That sparkle you show Yeah, When you smile like that Everything starts to glow You've got a chain reaction smile (Chain reaction smile) I can feel it spread One look from you And the whole world's ahead (The whole world's ahead) Yeah, the sky's a little brighter And the weight's all gone When you flash that smile It won't be long 'Til everybody's smilin' (Smilin') feelin' so alive and It's like we've all been waiting For you to arrive (now we can thrive) Your smile's a chain reaction And it's catchin' like fire (Chain reaction smile) And when I see it I get lifted higher and higher I clown around Just to watch you beam We'll chase the clouds 'Cause we're livin' the dream (We're quite the team) When you laugh Everything falls into place It's like the whole world's got Your smile on their face Oh-oh, I'll crack a joke Just to see you grin Hey, play your favorite song 'Cause your laugh is a win Ah-ah, I'll dance to catch That sparkle you show Yeah, When you smile like that Everything starts to glow You've got a chain reaction smile (Chain reaction smile) I can feel it spread One look from you And the whole world's ahead (The whole world's ahead) Yeah, the sky's a little brighter And the weight's all gone When you flash that smile It won't be long 'Til everybody's smilin' (Smilin') feelin' so alive and It's like we've all been waiting For you to arrive (now we can thrive) Your smile's a chain reaction And it's catchin' like fire (Chain reaction smile) And when I see it I get lifted higher and higher Your smile is spreading Like ripples at sea (ooooh) From you to me From us to eternity (ahhhhh) It's a wave of joy Rollin' on and on (ooooh) Soon the whole universe Will be singing your song! (We'll be singing your song! We'll be singing your song! We'll be singing your song!) You've got a chain reaction smile (Chain reaction smile) I can feel it spread One look from you And the whole world's ahead (The whole world's ahead) Yeah, the sky's a little brighter And the weight's all gone When you flash that smile It won't be long 'Til everybody's smilin' (Smilin') feelin' so alive and It's like we've all been waiting For you to arrive (Now we can thrive) Your smile's a chain reaction And it's catchin' like fire (Chain reaction smile) And when I see it I get lifted higher and higher So keep on smilin' (Keep on smilin') Let it light up the way Your smile's a gift That brightens up the day (Chain reaction smile) From me to you (From me to you) And the world beyond Your smile is the reason That we all carry on (Keep on smiling, higher Chain reaction, higher, chain reaction)