Gapers

12 clues
Starers
Awed ones
Wowed ones
Large clams
Certain clams
Rubberneckers
Amazed tourists
People who stare
Star-struck bunch
Awed ones, obviously
They stare in amazement
Awestruck tourists, e.g.
Similar answers:
Abasers
Abaters
Abcmurders
Abetters
Abiders
Ablepersonality
Abners
Abnersingleday
Abombers
Aborters
Aboveallothers
Abraders
Abridgedversion
Abridgers
Abroodofthinkers
Absoluterulers
Abstainers
Abunchofvintners
Abusers
Acadapters