Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 11
Sanskrit:
सुस्नातां सुदतीं कन्यां कृतकौतुकमङ्गलाम् ।आहतांशुकयुग्मेन भूषितां भूषणोत्तमै: ॥ ११ ॥
ITRANS:
su-snātāṁ su-datīṁ kanyāṁkṛta-kautuka-maṅgalāmāhatāṁśuka-yugmenabhūṣitāṁ bhūṣaṇottamaiḥ
Translation:
The bride cleaned her teeth and bathed, after which she put on the auspicious wedding necklace. Then she was dressed in brand-new upper and lower garments and adorned with most excellent jeweled ornaments.
Purport:
According to Śrīla Viśvanātha Cakravartī, only spotless clothing fresh off the loom should be worn during auspicious ceremonies.