This Morning co-worker Alison Hammond as he goes on holiday.It has been announced that Hammond is going to be filling in for Rylan on his BBC Radio 2 show for the next three Saturdays, beginning this weekend (August 15).The pair announced the big news on Twitter on Tuesday (August 11), with Alison sharing: "Ill [sic] be keeping @Rylan shoes warm on @BBCRadio2 this Saturday. If you fancy a little Ali love come and join us.