Dayum!Taylor Swift, Zac Efron, and More Celebrities Who Have Really Hot Brothers – See Then-and-Now Pics

Emma Watson and her younger brother Josh in 2007.

Click to the next slide to see what he looks like now.

Alex now.

He's 24-years-old.

Blake Lively's little brother Eric in 2001.

Eric today.

He's 35-year-old.

Miley Cyrus and her younger brother Braison in 2007.

Click to the next slide to see what he looks like now.

Braison now.

He's 22-years-old.

Taylor Swift and her younger brother Austin in 2009.

Click to the next slide to see what he looks like now.

Austin now.

He's 24-years-old.

Lauren Conrad with her little brother Brandon in 2008.

Brandon today.

He's 24-years-old.

Jessica Alba and her younger brother Josh in 2001.

Click to the next slide to see what he looks like now.

Josh now.

He's 34-years-old.

Kate Hudson and her older brother Oliver in 1999.

Click to the next slide to see what he looks like now.

Oliver now.

He's 40-years-old.

Penelope Cruz with her younger sister Monica in 2006.

Monica now.

She's 39-years-old.

Zac Efron and his younger brother Dylan in 2011.

Click to the next slide to see what he looks like now.

Dylan now.

He's 25-years-old.