The Brightside Grandad Have the Bestest Day Ever Birthday Card Celebrate Grandad’s birthday in a hip and modern way with this fun and quirky card from The Bright Side. This card reads Happy Birthday Grandad Have the Bestest Day Ever   This card is blank for your own personal message. The Bright Side Cards The Bright Side cards are an absolutely gorgeous range of bold, cleverly worded cards designed from old print blocks finished with shimmery coloured foil. Whatever the occasion, The Bright Side cards seem to capture its essence! The card measures 14.5cm x 17.5cm and comes with a white gently textured envelope.