Alliance Boots is to complete its mega merger with America's Walgreens by the end of the year, it was announced.
The deal is expected to complete ahead of schedule on December 31 subject to a special Walgreens shareholder meeting in New York on Monday.
It was previously expected to be wrapped up by February. The deal was announced in August .
The UK high street has enjoyed a record year with retail sales forecast to reach around £342bn, according to Government estimates.
The enormous popularity of new events such as Black Friday and Cyber Monday have contributed to the £48bn increase since 2010, the Department for Business, Innovation and Skills said.
Smaller firms have also contributed with their own record turnover of £72bn.