<Li> Cat Deeley (2006--) </Li> <Tr> <Th> Judges </Th> <Td> <Ul> <Li> Nigel Lythgoe </Li> <Li> Mary Murphy (2007--09, 2011--14, 2017--) </Li> <Li> Adam Shankman (2009--10) </Li> <Li> Mia Michaels (2010) </Li> <Li> Paula Abdul (2015--16) </Li> <Li> Jason Derulo (2015--16) </Li> <Li> Maddie Ziegler (2016) </Li> <Li> Stephen Boss (Auditions) (2018 -) </Li> <Li> Vanessa Hudgens (2017--) </Li> </Ul> </Td> </Tr> <Ul> <Li> Nigel Lythgoe </Li> <Li> Mary Murphy (2007--09, 2011--14, 2017--) </Li> <Li> Adam Shankman (2009--10) </Li> <Li> Mia Michaels (2010) </Li> <Li> Paula Abdul (2015--16) </Li> <Li> Jason Derulo (2015--16) </Li> <Li> Maddie Ziegler (2016) </Li> <Li> Stephen Boss (Auditions) (2018 -) </Li> <Li> Vanessa Hudgens (2017--) </Li> </Ul> <Li> Mary Murphy (2007--09, 2011--14, 2017--) </Li>

What is the prize for winning so you think you can dance